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These 24 Celebrity Weight Loss Journeys Are Pretty Mindblowing

I'm the Community Editor at SheKnows. My perfect day would be camped in the middle of nowhere, reading an excellent book and writing something true.

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Slimming down

Michael Kovac/Getty Images
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Slimming down

It's 2017, and by now we know that beautiful bodies come in all shapes and sizes — but sometimes a byproduct of getting healthy is dropping a few pounds. Take, for instance, these celebs who took it upon themselves to overhaul their lifestyles and went through dramatic weight-loss transformations in the process.

Don't be fooled by their shrinking sizes — these celebs are still huge stars.

Originally published January 2015. Updated July 2017.

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America Ferrera 2016

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America Ferrera 2016

"I think that body image is such a personal thing, but I am fine with who I am," she said in 2009.

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Melissa Mccarthy

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Melissa Mccarthy

McCarthy is always stunning and brings smiles to our faces playing powerful, complex women on screen.

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Melissa McCarthy 2016

Joseph Marzullo/WENN
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Melissa McCarthy 2016

McCarthy was actually criticized by fans in 2015 for her weight loss. 

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John Goodman

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John Goodman

John Goodman has always fluctuated in weight.

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John Goodman 2016

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John Goodman 2016

But now he's more svelte than ever.

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Shonda Rhimes 2014

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Shonda Rhimes 2014

Rhimes is known and respected for her work in Hollywood.

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Shonda Rhimes 2016

WENN
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Shonda Rhimes 2016

In 2015, she committed to losing weight as part of her personal journey to overcome fears. 

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Khloé Kardashian 2014

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Khloé Kardashian 2014

Kardashian always owns her curves and people love her for it.

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Khloé Kardashian 2016

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Khloé Kardashian 2016

We think she looked stunning before, but Kardashian works her butt off to stay in shape — and it shows.

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Chris Pratt

WENN
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Chris Pratt

Chris Pratt was always a loveable hunk.

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Chris Pratt 2016

Nicky Nelson/WENN
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Chris Pratt 2016

Now he's just a scorching hot hunka hunka burning love.

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Christina Aguilera

WENN
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Christina Aguilera

Christina Aguilera in 2011.

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Christina Aguilera 2016

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Christina Aguilera 2016

"Laughter, happiness, breathing, and I did some yoga," she told ExtraTV about how she lost weight.

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Jennifer Hudson

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Jennifer Hudson

Jennifer Hudson in 2007.

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Jennifer Hudson 2016

Mario Mitsis/WENN
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Jennifer Hudson 2016

Hudson credits Weight Watchers for her bangin' figure.

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Jason Segel

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Jason Segel

Jason Segel in 2008.

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Jason Segel 2016

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Jason Segel 2016

"I've just been living healthy, exercising, eating right — no more midnight pizzas," Segel told Us Weekly.

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Jessica Simpson

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Jessica Simpson

Jessica Simpson in 2009.

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Jessica Simpson 2016

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Jessica Simpson 2016

Simpson keeps healthy with a simple, clean diet.

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Jonah Hill

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Jonah Hill

Jonah Hill in 2010.

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Jonah Hill 2017

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Jonah Hill 2017

"I found that Japanese food was very helpful to me," he told ABC of his journey to weight loss.

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Kirstie Alley

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Kirstie Alley

Kirstie Alley in 2004.

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Kirstie Alley 2015

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Kirstie Alley 2015

Alley says Jenny Craig helped her shed pounds.

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Miranda Lambert

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Miranda Lambert

Miranda Lambert in 2012.

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Miranda Lambert 2016

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Miranda Lambert 2016

"I want women to love themselves whatever they've got going on," Lambert told Marie Claire.

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Jordin Sparks

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Jordin Sparks

Jordin Sparks in 2010.

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Jordin Sparks 2016

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Jordin Sparks 2016

"It has been really focusing on becoming healthier, and the plus side was that my body changed," she told Today.

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Queen Latifah

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Queen Latifah

Queen Latifah in 2008.

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Queen Latifah 2016

Adriana M. Barraza/WENN
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Queen Latifah 2016

"I don’t really diet. I kind of keep everything in moderation, exercise and eat right," she told People.

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Kelly Osbourne

LK/WENN
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Kelly Osbourne

Kelly Osbourne in 2004.

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Kelly Osbourne 2016

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Kelly Osbourne 2016

"So you just have to take baby steps, commit to something and stay true to it," Osbourne told HuffPost.

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Seth Rogen

WENN
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Seth Rogen

Seth Rogen in 2007.

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Seth Rogen 2016

Dave Bedrosian/Future Image/WENN
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Seth Rogen 2016

"I have a lot of tantrums. I want my food. I cry for no reason," Rogen said when asked if he'll keep the weight off.

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Snooki

WENN
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Snooki

Snooki in 2010.

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Snooki 2016

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Snooki 2016

"I don’t drink a lot... that was most of the problem," she told Access Hollywood.

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Melissa Joan Hart

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Melissa Joan Hart

Melissa Joan Hart in 2006.

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Melissa Joan Hart 2016

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Melissa Joan Hart 2016

"I am really happy where I am. I could live like this. I'm on a good path," She told Entertainment Tonight.

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Rosie O'Donnell

WENN
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Rosie O'Donnell

Rosie O'Donnell in 2012.

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Rosie O'Donnell 2016

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Rosie O'Donnell 2016

Following a heart attack, O’Donnell elected to have a vertical gastric sleeve surgery.

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Randy Jackson

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Randy Jackson

Randy Jackson in 2002.

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Randy Jackson 2016

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Randy Jackson 2016

Jackson lost more than 100 pounds after undergoing gastric bypass surgery for his health in 2003.

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Zach Galifianakis

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Zach Galifianakis

Zach Galifianakis in 2008.

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Zach Galifianakis 2016

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Zach Galifianakis 2016

"I stopped drinking, and I just kind of put the weight off," he told Conan O'Brien. 

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Sam Smith

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Sam Smith

Sam Smith performs during the 2014 Bonnaroo Music & Arts Festival on June 13, 2014.

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Sam Smith 2016

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Sam Smith 2016

Smith claims that Amelia Freer's book Eat. Nourish. Glow. transformed his relationship with food.

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Adele

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Adele

Adele at the Brit Awards in February 2008.

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Adele 2017

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Adele 2017

"I’ve never had a problem with the way I look," Adele told Rolling Stone magazine.

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