12 Incredible Weight Loss Success Stories of Celebrities: How Did They Do It

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Have you ever wondered how celebrities stay so fit? What are their weight loss success stories?

Would you like to know what diets and plans world’s best dietitians and personal trainers have drafted for them to lose weight and keep fit?

While not all famous people are willing to share their weight loss successes and struggles on media, we found 12 weight loss transformations from celebrities ready to open up about their stories.

Now you can take advantage of the plans crafted by the world’s leading experts and tested by the most famous celebrities.

Let’s dive in and discover these weight loss tips, tricks and little secrets, starting from the smallest to the most impressive weight loss.

12 Celebrity Weight Loss Success Stories

# 12

Meghan Trainor weight loss story

Meghan Trainor weight loss secret before and after

WEIGHT LOST

20 lbs | 9 kg 

HOW DID SHE DO IT

  • Diet: Paleo diet
  • Exercise: 25 min workouts with cardio, abs intervals and total body circuit training
  • Other: Portion control, healthy home cooked meals

Meghan Trainor introduced healthy lifestyle changes not only for weight loss. She doesn’t obsess about a number on a scale and instead, sees her new diet and fitness regime as a way to keep feeling and looking young.

So, what’s Meghan Trainor’s weight loss action plan to stay looking young forever?

Meghan switched to a Paleo diet and started paying more attention to portion sizes. Her favorite paleo foods include celery, turkey, chicken and plenty of lemon water. She became a fan of home-cooked meals and recently started cooking more of her own healthy dishes.

Thanks to her husband, Meghan Trainor found a new love for working out:

He showed me how working out can be fun. I didn’t believe it, but now it’s true and it feels so good when you’re sore — I love that feeling now, I’m addicted to it.

Meghan Trainor

Indeed, it is proven that having an accountability partner will significantly increase your chances of reaching those fitness goals.

Meghan’s favorite exercise contributing to her weight loss is 25 minutes long Shaun T online workouts called ‘Insanity’ that is a mix of cardio, abs intervals and total body circuit training.

# 11

Jimmy Kimmel weight loss story

Jimmy Kimmel Weight Loss Success Stories

WEIGHT LOST

25 lbs | 11 kg 

HOW DID HE DO IT

  • Diet: Protein shake and calorie restriction diet to lose weight
  • Other: Intermittent fasting to manage weight

After growing up with delicious dishes cooked by his Italian mother, Jimmy Kimmel has always struggled with portion control. When he reached 208 pounds in 2010, he decided it’s time to take action.

Jimmy Kimmel weight loss started with a diet that included 2 protein shakes and a light dinner each day. However, after a while, Jimmy went for a more sustainable approach by practising a healthy 2,000 calorie-per-day diet.

Eventually, it helped Jimmy to say goodbye to 25 pounds in 8 weeks. But we all know that losing those extra pounds is just half the battle. To keep the weight off, Jimmy Kimmel’s secret is practicing Intermittent Fasting 5:2.

Intermittent Fasting 5:2 schedule means that five days of the week you eat regularly, while during the other two days you restrict calories to 500 kcal a day. As Jimmy puts it:

On Monday and Thursday, I eat fewer than 500 calories a day, then I eat like a pig for the other five days.

Jimmy Kimmel

On fasting days Jimmy Kimmel restricts his diet to coffee, pickles, egg whites, apples, peanut butter, and oatmeal.

What about exercise? You won’t be seeing Jimmy in a gym. He hates exercising and contributes his weight loss solely on new eating habits.

# 10

Adele weight loss story

Adele weight loss diet Weight Loss Success Stories

WEIGHT LOST

30 lbs | 13 kg

HOW DID SHE DO IT

  • Diet: Sirtfood diet, restricting sugar intake
  • Exercise: circuit training, weightlifting and cable machines

While Adele has always stressed that she is not looking to be a size zero, in 2016 she introduced various healthy changes to her lifestyle that has lead to around 30-pound weight loss.

Adele had to break her very British habit – sugary tea:

I used to drink 10 cups a day with two sugars in each so I was on 20 sugars a day. Now I don't drink it and I have more energy than ever

Adele

However, the main lifestyle change to Adele’s weight loss was switching to Sirtfood diet.

Sirtfood diet focuses on eating 20 sirtuin-rich foods such as kale, soy, strawberries, olive oil, buckwheat, walnuts and others. These plant-based foods ‘activate’ your body’s skinny genes and regulate metabolism, the internal body clock, longevity and aging.

While these foods also include coffee, red wine and even chocolate, Sirtfood diet also encourages moderate calorie restriction.

Adele compliments her new diet with a fitness plan. Her training regime combines circuit training, weightlifting and cable machines.

# 9

Khloe Kardashian weight loss story

Khloe Kardashian weight loss transformation and Weight Loss Success Stories

WEIGHT LOST

33 lbs | 15 kg 

HOW DID SHE DO IT

  • Diet: Low-carb diet with no dairy
  • Exercise: 5 times per week of indoor cycling, hot yoga, circuit training or obstacle course workouts

After trying fad diets with cycles of weight loss and weight gain, Khloe Kardashian eventually found a recipe for maintaining her weight and losing 33 post-pregnancy pounds.

She cut out all dairy products, soda, juices and follows a low-carb meal plan which got Khloe back in shape after giving birth in 2018.

Curious to know more details? Here’s what Khloe Kardashian usually eats on a typical day:

  • Breakfast: 2 eggs any style, 1 cup of oatmeal and 1 cup of fresh fruit
  • Lunch: 4 oz grilled chicken breast, vegetables (especially ones high in iron like spinach, beets, asparagus, broccoli) and starches, for example, 4 oz of yam or a half cup of rice
  • Dinner: 8 oz fish paired with another protein and starches like yam, potatoes, quinoa, lentils
  • Snacks: fruits, nuts and vegetables like cherry tomatoes

Khloe became a fitness enthusiast while going through a divorce. Workouts gave clarity in her brain and helped the Kardashian to stay fit. You would find Khloe working out around 5 times per week and switching between Soul Cycle indoor cycling, hot yoga, circuit training and obstacle course workouts.

Khloe Kardashian weight loss secret to long-lasting results is going slow and steady. She says:

When I lost my weight and kept it off, it’s when I lost it slowly. I know that expression ‘the turtle wins the race’. Now I know that if I lose weight in a healthy way, I keep it off. The last thing I want to do is yo-yo again in my life.

Khloe Kardashian

# 8

Rebel Wilson weight loss story

Rebel Wilson before and after weight loss success stories

WEIGHT LOST

30-40 lbs | 13-18 kg

HOW DID SHE DO IT

  • Diet: Healthy, balanced diet high in fiber and low in gluten
  • Exercise: 3-4 times per week with 30 min of cardio, weights or HIIT
  • Other: Jump-start the weight loss in a retreat

For Rebel Wilson, weight loss is extra challenging due to hormonal imbalance, which makes her more susceptible to weight gain. Nevertheless, it didn’t stop Rebel from healthy changes in her diet and lifestyle that eventually led to around 40-pound weight loss. 

Rebel kick-started her weight loss journey in the spring of 2016 at a luxury retreat in Malibu, California. Rebel Wilson lost first 8 pounds after 4 days of exercise, rest and organic, vegetarian food. 

Yes, a luxury getaway might not be attainable for us, regular people. However, after returning back home Rebel adapted her lifestyle with few changes that you can easily implement as well (no excuses here). 

She ditched her family diet that included McDonald’s and frozen pizzas, and completely switched to healthy, balanced meals. 

Rebel now eats a high fiber diet consuming at least 35 grams of fiber daily. High fiber foods, also known as complex carbohydrates, absorb into the bloodstream at a much slower rate than simple carbs. Therefore, they keep you full longer and help to fight food cravings. 

Rebel also makes sure to add enough healthy fats and protein to her daily diet. Say “yes” to fatty fish, avocados, nuts, and seeds!

She has also gone gluten-free but doesn’t do it 100 percent because as she says: “I’m not a maniac!”.

Don’t forget about working out – Rebel exercises 3-4 times per week with a mix of cardio, weights and high-intensity interval training (HIIT).

# 7

Jonah Hill weight loss story

Jonah Hill Weight Loss Success Stories

WEIGHT LOST

40 lbs | 18 kg 

HOW DID HE DO IT

  • Diet: Healthy, balanced diet
  • Exercise: Elliptical, boxing

Being in a constant spotlight comes with its price. Comedian and actor Jonah Hill reveals that after becoming famous in late teens he spent most of his young adult life listening to people saying that he was “fat, gross, and unattractive.”

Jonah is known for his fluctuating weight. The biggest Jonah Hill weight loss so far has been 40 pounds back in 2011 to get ready for the role in ‘Moneyball’.

As Jonah says, there is no magic pill or a genie that helps in shedding those pounds. Jonah Hill’s weight loss recipe is simple – cutting down on beers and changing eating habits with the help of a nutritionist.

To make long-term changes in diet, it is important to figure out the kind of healthy food that actually makes you excited about your meal. And then stick to it.

Jonah is a fan of Japanese food and sushi. But, instead of choosing fried and sauced sushi rolls, he goes for leaner options like sashimi, which is a healthy protein-rich low-calorie meal.

When it comes to workouts, Jonah tries to ride the elliptical every day. He also regularly spotted in the gym boxing, which is his favorite type of exercise.

# 6

Sam Smith weight loss story

Weight Loss Success Stories Sam Smith before and after

WEIGHT LOST

50 lbs | 23 kg 

HOW DID HE DO IT

  • Diet: Gluten-free, no dairy and no refined sugar diet
  • Exercise: Cardio, weight lifting, yoga
  • Other: Portion control, more clean, home-cooked meals

Singer Sam Smith is open about his weight loss journey. Sam kick-started his weight loss back in 2015 with a help of a nutritionist and adopted a new mindset that: “completely transformed my relationship with food” and helped him to “stop eating like a pig”.

Sam cut out gluten, dairy and refined sugar from his diet and became conscious of the amount of food he eats and portion sizes. Sam Smith’s weight loss diet approach also includes getting back in the kitchen and cooking clean foods from scratch.

When it comes to working out, Sam Smith works out 3 times per week with a focus on cardio and weights. He has also taken up yoga which helps him with the mental and emotional side of eating.

Even after successfully losing around 50 pounds, Sam recognizes that there is no quick and easy fix to keep the weight off. He shares: 

I love food so it's a constant battle. It's always going to be a battle but I'm trying my best.

Sam Smith

Need support to stick to your weight-loss and workout goals? Join 21-Day Meditation Challenge for Success Challenge and let meditation empower you to eat healthy day after day!

# 5

Jenna Jameson weight loss story

Jenna Jameson Keto Intermittent Fasting weight loss before and after

WEIGHT LOST

60 lbs | 27 kg 

HOW DID SHE DO IT

  • Diet: Clean keto diet
  • Other: Intermittent fasting 16/8 (eating window 11 am - 19 pm)

After gaining 120 pounds while carrying her daughter, Jenna Jameson went on a post-baby weight loss plan that proved to be a great success.

Jenna credits a combination of Keto diet and Intermittent Fasting as key to her weight loss. She practices Intermittent Fasting 16/8, which restricts her eating window to 8 hours a day. From 7 pm to 8 am Jenna consumes nothing but water, after 8 am she allows herself some black coffee with stevia and coconut oil, and finally breaks the fast at 11 am.

Let’s go into more details on Jenna’s Keto and Intermittent Fasting diet:

  • 8 am: Cup of black coffee with stevia and coconut oil
  • 11 am: 3 boiled eggs, 1 avocado sprinkled with seasoning
  • 2 pm: Steak cooked in a pan with avocado oil, served with arugula
  • 4 pm: 1 cup of cottage cheese
  • 5 pm: Salmon cooked in an oven with lemon butter and dill, paired with asparagus or broccoli

Jenna Jameson follows clean Keto diet with no processed, packaged foods and zero added sugar.

Any tips from Jenna on how to avoid food temptations? Keep your fridge stocked up only with healthy and tasty foods. Also, get loved ones to keep an eye on you throughout your diet journey.

Weight loss is not merely about being physically healthy, Jenna emphasizes how important it is to be more mindful and soft on yourself to reach your health goals anxiety and stress-free.

Jenna is not a gym person – to lose weight she relies on her diet. She only reports doing occasional core strengthening exercises at home like holding the stomach tight and flexing for as long as possible.

# 4

Chris Pratt weight loss story

Chris Pratt Weight Loss Success Stories

WEIGHT LOST

30 lbs | 13 kg in 2010 &
60 lbs | 27 kg in 2013

HOW DID HE DO IT

  • Diet: Low-carb Paleo diet
  • Exercise: CrossFit, weight lifting, triathlon training, P90X
  • Other: Specific weight loss goals (e.g. get fit for the next movie role) helped to keep motivated

Can having a specific weight loss goal set you up for success? At least for Chris Pratt it certainly does.

After initially getting turned down for a role in “Moneyball” because he was too fat for the part, Chris didn’t take NO for an answer. Instead, he lost around 30 pounds to match the physique of a baseball player Scott Hatteberg and eventually got the part.

This is not the only major weight fluctuation Chris has undergone. After regaining 50 pounds for a role in “Ten Year”, he ditched 60 pounds in 6 months for “Guardians of the Galaxy” movie.

Talking about what NOT to do, here’s Chris weight gain secret: double order of pancakes every morning, burger for lunch, dark beer every night and a lot of fries, snacks and candy.

But I bet you are more interested in Chris Pratt weight loss story.

Chris is following a low-carb Paleo diet, that’s high in protein and full of natural, wholesome foods. No beer, hash browns, burgers, or anything fried.

During weight loss periods he also makes sure to have 3 – 4 hours a day (!) of consistent, ass-kicking hard workout. Some of his favorite workout types are CrossFit, triathlon training, weight lifting and P90X.

After reaching the desired weight and shape, Chris maintains it by reducing his gym time to around 1 hour 4 days a week.

It’s all about consistency and patience, as Chris puts it:

Six months seems like a long time unless you’re looking backward... all you have to do is just a few things every day and remain consistent, and time will fly just as fast as it flies if you’re working hard or not. If you just cut the crap out of your diet, and if you spend an hour a day doing something physical that will make you sweat, six months will pass by, you will feel better mentally, physically, spiritually. It all is tied together.

Chris Pratt

# 3

Jennifer Hudson weight loss story

Jennifer Hudson before and after Weight Loss Success Stories

WEIGHT LOST

80 lbs | 36 kg 

HOW DID SHE DO IT

  • Diet: Healthy, balanced diet. Avoiding high fat, sugar and salt foods
  • Exercise: Weight, resistance training, treadmill, jogging and walks
  • Other: Portion control

After 80-pound weight loss, we all can learn a little something from Jennifer Hudson weight loss journey and lifestyle changes.

For Jennifer it’s all about balance:

It’s a lifestyle change, not a diet. I had to break my diet mentality. I used to deprive myself, thinking that was healthy. I know now that I can eat anything I want and still lose or maintain my weight. It's about portions and balance.

Jennifer Hudson

Her special diet tips include timing and planning meals in advance, portion control and avoiding foods with artificial flavorings, fat, sugar or salt and heavily processed foods.

Here’s what Jennifer eats in an average day:

  • Breakfast: fruits and yogurt, egg white scramble or a breakfast burrito
  • Lunch: turkey sandwich, grilled chicken salad or shrimp and broccoli stir-fry
  • Dinner: sushi, shrimp stir-fry, turkey and sautéed collard greens or tacos
  • Snacks: celery sticks, one square of chocolate, an apple, a spoonful of peanut butter, Greek yogurt, chai tea latte, low-fat tortilla chips

Jennifer admits struggling with finding the motivation to workout – her tip is listening to music or watching TV while exercising.

Jennifer Hudson gets her body moving in various ways, such as 30 min runs on a treadmill, weight and resistance training, jogging and taking walks outdoors with her son.

# 2

John Goodman weight loss story

John Goodman weight loss transformation before and after

WEIGHT LOST

100 lbs | 45 kg 

HOW DID HE DO IT

  • Diet: Meditarean diet with mostly plant-based foods. No sugar and alcohol
  • Exercise: Long walks, boxing
  • Other: Portion control

Actor John Goodman, like many of us, have been struggling with his weight and have unsuccessfully tried various crash diets.

What has worked best for him is consistency and making sustainable lifestyle changes, as opposed to quick weight-loss diets. Two key elements contributing to John Goodman weight loss are adopting portion control and switching to a Mediterranean diet.

John says:

In the old days, I would take 3 months out, lose 60 or 70 pounds, and then reward myself with a six-pack or whatever and just go back to my old habits. This time I wanted to do it slowly. Move, exercise. It’s going to be an ongoing process for the rest of my life.

John Goodman

John Goodman’s Mediterranean diet focuses on plant-based foods, fish, lots of fruits and vegetables, and olive oil with tons of healthy omega-3 fats. Besides that, he eliminated alcohol and any added sugar from his diet.

John is not a fan of traditional workouts out but have found his own way to stay fit. He tries to walk between 10,000 – 12,000 steps 6 days per week and has picked up boxing, which for him is a perfect way to let off his steam.

# 1

Kevin Smith weight loss story

Kevin Smith weight loss before and after story

WEIGHT LOST

200 lbs | 91 kg

HOW DID HE DO IT

  • Diet: Vegan, no sugar diet
  • Exercise: Daily walks with the dog
  • Other: Intermittent fasting by skipping breakfast

Kevin Smith has battled his weight for many years. In 2010 he was even refused to board a plane because he was too overweight to fit in the seat. After years of weight loss experiments, yo-yo dieting and weight fluctuations, in 2015 Kevin suffered a heart attack.

For Kevin, it was a serious reminder to ditch those fast weight-loss diets and adopt more balanced lifestyle changes. He cut out all added sugar and started Intermittent Fasting by skipping breakfast in the morning.

However, the biggest change in Kevin Smith weight loss story is following the footsteps of his daughter and going vegan.

While not being a fan of vegetables and fruits, Kevin prefers to eat a lot of beans, chickpeas and healthy meat and dairy substitutes like ‘Beyond Meat’ burgers and vegan cheese.

How to get yourself moving? As the best exercise partner, Kevin credits his dog with whom he shares daily 1-hour long walks and regular hikes.

celebrity top weight loss tips

So, what can you learn from these celebrity weight loss success stories? 

  • Top Diet: Healthy, balanced diet. Focus on whole, clean foods and avoid processed foods and added sugar.
  • Top Exercise: Regular exercise is the key (at least 3 days per week). Celebrity favorites - cardio, weightlifting, long walks.
  • Top Tip: “It’s a lifestyle change, not a diet.'' Many celebrities emphasize that the key to successful weight loss is changing the relationship with food instead of looking for a quick diet fix.

Hungry for more weight loss advice?

Here are 5 celebrity weight loss tips, based on the 12 weight loss success stories analyzed:

1. FIND A DIET THAT FITS YOU

Get inspired by the celebrities and explore different dietary options such a Keto, Paleo, Vegan or Mediterranean diets. Even if you are not looking to go “all in”, doing so will inspire you to make healthy changes and help you find out what type of eating is the most enjoyable and hence sustainable for you.

At 21 Day Hero, we have a number of 21-day challenges that will help you to kick-off and test the new way of eating, such as Keto, No Sugar or Intermittent Fasting.

2. DON’T BE AFRAID OF THE WORD “DIET”

While we refer to Medditarean, Vegan, Paleo or Keto as a diet, it should be treated as your new lifestyle rather than a quick fix.

Unlike diet pills or “only-potato-diet”, when done right, most of these diets are well balanced and provide the necessary nutrients while keeping you away from unhealthy foods.

3. FORM A HEALTHY RELATIONSHIP WITH FOOD

Celebrity or not, many people looking to lose weight go on quick, short-term diets which is a big mistake leading to unhealthy weight fluctuations. No matter what diet you choose to follow, it is important to treat it as a permanent lifestyle change and let go of your old eating habits. That way you will make sure to keep the weight off.

4. DON’T RUSH, TAKE IT SLOW

Most weight loss stories become a success only when you stop focusing on rapid results. Relationship with food is a constant battle – do your best, stay consistent but don’t be too hard on yourself.

5. FIND THE WORKOUTS YOU LOVE

Are you struggling to find motivation or time to work out regularly? Stop looking at exercise as purely means to burn calories – getting your body moving has tons of other health benefits.

Don’t miss out on them just because you’re not a fan of a treadmill or weights. Find your own thing.

How about long walks with a dog like Kevin Smith or quick home video workouts like Meghan Trainor?

WHAT'S WEIGHT LOSS PLAN?

Do you want to finally take action and shred of that unwanted weight?

Kick-start your healthy lifestyle already TODAY by enrolling a holistic weight loss program developed by our nutritionist Amani Kaite.

This fun, delicious and straightforward 21-Day challenge will help you build a solid foundation for your weight loss goals. You will enjoy real food (including wine!), feel and get lighter and healthier.

Don’t miss it out – hop on the 21 Day Holistic Weight Loss Challenge today and fall in love with the image in your mirror!

Join the 21-DAY Holistic Weight Loss CHALLENGE

and get:

  • 21-Day Meal Plan with Recipes, Balanced Macros and Shopping List for each week (1250 kcal, pdf)
  • E-book 21-Day Holistic Weight Loss Challenge Guide with 12 pages of comprehensive information (pdf)​
  • 21-Day Challenge Action Plan to support your holistic weight loss (pdf)
  • Daily action and inspiration in your inbox. No App needed!
  • 21-Day Progress Tracking Sheet​ and Food Diary template (pdf)
  • Exclusive accountability group to help you complete the challenge successfully

* Information on this site is for educational and informational purposes only. You should not rely on this information as a substitute for, nor does it replace, professional medical advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other health-care professional. Do not disregard, avoid or delay obtaining medical or health related advice from your health-care professional because of something you have read on this site. The use of any information provided on this site is solely at your own risk.

Consult your physician and follow all safety instructions before beginning any exercise program or nutrition plan, or using any supplement or meal replacement product, especially if you are pregnant, breastfeeding, have any medical condition, or are taking any medication.

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