Before and After: Celebs With Incredible Fitness Transformations

The pressure in Hollywood to look a certain way is real. Fitness transformations are frequent in the industry and being body positive can sometimes feel challenging — but we’re celebrating the before and after of these famous folks who have hit the goals they were hoping to achieve. Whether their intention was to lose weight, pack on muscle or simply had the desire to be healthier — these celebs upped their fitness game to feel better in their bodies. We’re honouring the work they’ve done to feel the kind of good they deserve.

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Teresa Giudice

The Real Housewife may have found yoga during her 11 months in prison (better than anything else she could've picked up) but after her release, turned to something else: bodybuilding. In fact, she became such a dedicated lifter she entered a competition and placed third.

These drastic transformations from Real Housewives will blow your mind.

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Khloe Kardashian

There's a reason she hosted a show called Revenge Body. After splitting with first husband Lamar Odom, the gym became her "only refuge." And while she found — and lost — love again (though, this time, her daughter True came from her lousy split from lousy Tristan Thompson), she continues to focus on herself and is a testament that breakups aren't always a bad thing.

RELATED: celebrity couples who recently called it quits.

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Chris Pratt

Before Guardians of the Galaxy, actor Chris Pratt had a totally different look. To prepare for his new part, he dropped 60 pounds to play Star Lord, both from exercise and a drastic change in his eating. There's something about these Marvel movies that get actors to get in tip-top shape.

SEE ALSO: These celebs have undergone extreme transformations, all for a role, taking working it to a whole new level.

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Jennifer Garner

Jennifer Garner has never really not been in shape — but shortly after marrying Ben Affleck, she settled into motherhood, cut back on her acting career and raised their three kids and didn't prioritize the Hollywood standard as much. But when Jen and Ben split, she got a new lease on life. Yes, she's still an awesome mom who is always there for her kids but she also returned to the industry and headlined the action movie, Peppermint, in a physically demanding role that got her back to Alias fighting form.

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Christina Aguilera

Several years ago, Xtina found herself in a bit of a funk but when the mom of two discovered the "love and good energy" yoga provides — she downward dogged right into it, practicing as much as five times a week for one-to-two hours a session.

SEE ALSO: These celebs may or may not have had botox.

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Gal Godot

To become Wonder Woman, Gadot had to bulk up — which meant preparing for the role was "more intense" than her time in the Israeli army. Yowza.

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Drake

You may love Drake's music but never thought of him as anything but a chart-topping rapper. Nowadays, however, he's shaping himself up to be as hot as his songs, just by doing the things you're supposed do when you want to fill out the right way: exercise (weight training and playing basketball are his go-tos) and healthier eating (cutting down on pasta and alcohol).

SEE ALSO: More amazing (and not-so-amazing) beard transformations.

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Nicole Polizzi

After being called a meatball for so long, the gal formerly known (or still known) as Snooki decided enough was enough. After having her first child, she hit the gym hard and never looked back — even as she is currently pregnant with her third.

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Candace Cameron Bure

Candace Bure's run on Dancing With the Stars changed her body, and the Fuller House star capitalized on her new fitness by continuing to strengthen and tone. But not with dance; rather, she heads to the gym or her trainer does a session with her on set.

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Kelly Osbourne

Another DWTS alum can thank the reality competition series for kickstarting her healthier, more active lifestyle, but it's her 10-minute warmup that really gives her the push to rock the day.

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Kourtney Kardashian

It's not just Kourtney Kardashian's religious workouts but her clean eating that contribute to her feeling the way she really wants to.

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Nick Jonas

Nick went from boy to man (man-boy?) after breaking out of the family music group and going solo. But now that they've reunited, don't think Nick is going to revert back to his former image — especially if he wants to hang on to Priyanka Chopra.

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Jennifer Hudson

It's been years since J-Hud was face of Weight Watchers but she continues to prove the lifestyle change really works and continues to keep the pounds off by eating well and staying active. She told Good Housekeeping that she likes to exercise in a way that she never has in her life and challenges everyone to make time for it.

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Miley Cyrus

Soon after leaving Disney and meeting now ex-husband Liam Hemsworth in that Nicholas Sparks book-turned-movie, Miley found yoga and exercise and combined with all that twerking (also a thing of the past), she left Hannah Montana in the dust and replaced her with a healthier, less wild adult.

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Kevin Hart

Hart was always one of those guys who looked to be in decent shape but managed to hide it well. He told Men's Journal that in 2016, he wanted to be a man who could take his shirt off and be happy with what he was showing off. So if that meant busting his butt at the gym, trying to match up to his BFF/mortal enemy Dwayne "The Rock" Johnson, so be it.

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Demi Lovato

The singer has struggled with addiction, bipolar disorder and eating disorders but after her last sting in rehab, she now finds solace at her gym, where she switches it up between weight-lifting and mixed martial arts. And while she's always been a fighter, she's literally become a beast in the ring, even knocking out a dude's tooth. Don't mess.

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Miranda Lambert

She's gotten toned over the years but is still as adorable as ever.

SEE ALSO: Celebs' all-natural beauty secrets you need to know.

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Chris Hemsworth

Whether this Hemsworth brother is making headlines for his God-like workout or his fitness hacks, he seems keen on going from stud status to studlier by the minute. So it was of no surprise when he released his fitness app.

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Carrie Underwood

The singer works out a lot — though, admittedly, it's a little harder now that she has two kids. That being said, even if it's a quick workout, it's better than nothing.

SEE ALSO: These before and after pics of celebrity jaw surgeries will make your jaw drop.

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Oprah Winfrey

We've watched Oprah's ups and downs with her weight over the decades but she changed her lifestyle when she became a Weight Watchers spokesperson — and hasn't looked back. Aside from eating better, she also has quite a hardcore workout regimen.

Oprah has always been inspirational — from promoting physical health to giving amazing career advice.