celeb transformations

Jillian Michaels became a household name after joining 'The Biggest Loser' as a coach when the hit series premiered in October 2004.

Mandy Moore sparked plastic surgery rumors after her recent appearance at Step Up's 2025 Inspiration Awards.

Sydney Sweeney showcases her dedication to her craft through remarkable physical transformations for diverse roles, most recently in the Christy Martin biopic.

Demi Moore brought back her iconic bangs for the first time since her 'Striptease' era.

Before becoming Justin Bieber's 'One Less Lonely Girl,' Hailey Bieber had already made headlines as a model and as the daughter of actor Stephen Baldwin.

After Jessica Simpson stunned fans with her new look at the 2025 MTV Video Music Awards, OK! rounded up photos showcasing her transformation through the years.

Dwayne 'The Rock' Johnson stunned fans when he debuted his dramatic weight-loss transformation at the Venice International Film Festival on September 1.

50 Cent did not look like himself in a behind-the-scenes snapshot from his new film, 'Street Fighter.'

Pamela Anderson has transformed from a girl with aspirations of modeling into a Hollywood s-- symbol.

See Nelly Furtado’s jaw-dropping transformation leading up to her headline-making, show-stopping festival glam!

Jamie Lee Curtis, who previously revealed she had plastic surgery when she was 25, has been an advocate of body positivity and natural beauty.

Tim McGraw surprised fans with a shaved head and buff, muscular build during a Nashville outing ahead of his U.S. tour.

Bianca Censori looked noticeably different in photos that resurfaced from before her relationship with husband Kanye West.

From 'One Tree Hill' to 'Freakier Friday,' Chad Michael Murray has held onto his heartthrob status for years.

Jennifer Love Hewitt continues to embrace her natural beauty and unmatched poise in her rare public appearances.

Selena Gomez debuted a choppy new hairstyle on Instagram, trading in her polished bob for layered bangs.

Kaitlyn Bristowe has never shied away from keeping it real — or showing a little skin!

Amber Rose made waves after she debuted a bold new look at an Oscars party — see her incredible transformation throughout the years.

Ralph Fiennes stunned fans with his muscular physique at 62 as he transforms for his role as Odysseus in 'The Return.'

After winning the 2019 'Sports Illustrated Swimsuit' Issue's Swim Search, Brooks Nader has continuously set pulses racing with her jaw-dropping curves and daring styles.

'Love It or List It' star Hilary Farr showed off a dramatic new hair transformation.

Lizzo has been sharing body-positive affirmations alongside steamy photos of herself to inspire her followers amid her weight-loss journey.

Sabrina Carpenter got her start on Disney Channel.

Scott Disick's dramatic physical transformation has sparked fan speculation, with many questioning if weight-loss drugs played a role in his slimmer appearance.

Donatella Versace has long been the subject of relentless plastic surgery rumors, fueled by her dramatic transformation over the years.

The fountain of youth seems to be helping Nicole Kidman reach a whole new level of timeless beauty each year!

Jennifer Lawrence has emphasized her natural, effortless beauty over the years.

Heather Locklear has sparked constant plastic surgery rumors over the years.

Before bulking up for his 'Gladiator II' role, Paul Mescal already captivated his fans with his charm and striking good looks. See his transformation, here.

Brandi Glanville claimed she had her fillers dissolved because of a 'parasite' moving within her face.

See how Alabama Barker has grown from being daddy's little girl to a natural beauty.

See Beyonce's stunning beauty evolution over the years!

David Dobrik wrote 'new year, new me' alongside a before and after photo of himself shirtless.

According to an insider, Jessica Simpson is hyper-focused on looking her best amid alleged drama in her marriage to Eric Johnson.

Bre Tiesi has enhanced her appearance through procedures and injectables.

Valerie Bertinelli, after struggling with her weight for decades, surprised her fans with her incredible physique at 64!

See how Angelina Jolie has maintained her youthful glow over the years!

Matt LeBlanc has been spotted in public only a few times since Matthew Perry's death.

Angela Simmons has been working with the brand IVY RX to shed some pounds — and the results do not disappoint.

Take a look at how much Anna Kendrick has evolved over the years, all while maintaining her doll-like features!

Lindsay Lohan looks like she is aging backwards!

Here's a look at Meghan Markle's stunning transition from an actress to a prominent royal duchess.

Jocelyn Wildenstein denied getting any plastic surgery despite her drastic transformation.

See how much Britney Spears has evolved decades after her debut.

Ariana Grande posted a sweet throwback photo of her crown fitting for the movie 'Wicked.'

Rob Kardashian is known to stay out of the spotlight.

David Beckham's stunning transformation has made his fans fall in love with him even more!

Kristen Bell still looks timelessly beautiful decades after her Hollywood debut!

Leighton Meester's husband is captivatingly gorgeous!

Kimberly Guilfoyle has sparked plastic surgery speculations over the past few years.