Celebrity Body

Diane Kruger, Joshua Jackson and Rachel Zoe tell Us the Olympic sport they'd bring home the gold for

NBC's The Biggest Loser has produced some truly incredible transformations over its 15 seasons. Many contestants lost half their body weight -- or more, as in the case of season 15 winner Rachel Frederickson. Take a look back at the some of the show's most jaw-dropping makeovers.

Rachel Frederickson, the newest winner of The Biggest Loser, speaks out about her transformative weight loss -- "I've never felt this great before"

See how Biggest Loser trainers Jillian Michaels and Bob Harper reacted to winner Rachel Frederickson's shocking weight loss on the season 15 finale

Celebrity trainer Kathy Kaehler gives Kardashian-inspired fitness tips to get your best body in the new year with the Wii Fit U.

Cameron Diaz, 41, rocked a white two-piece bikini during a photo shoot on last Friday Jan. 31 in St. Barts - see the pictures

Rachel Frederickson won Biggest Loser season 15 and broke records, losing 60 percent of her body weight and shrinking down to just 105 pounds: see the starting pictures and more

Mariah Carey shared yet another revealing bikini photo of herself on Twitter -- check it out!

LeAnn Rimes showed off her fit bikini body and super-toned abs in a skimpy white two piece while vacationing with Eddie Cibrian in Hawaii -- see the pictures!

Just four months after giving birth to her son Maceo, Halle Berry returned to the red carpet looking absolutely amazing -- see her here!

No modesty sock! Get the details on how Michael B. Jordan pranked his That Awkward Moment costars Zac Efron and Miles Teller -- plus, find out how Teller retaliated

Kourtney Kardashian showed off her stunning bikini body while taking an adorable walk with her longtime boyfriend Scott Disick and their children Mason, 4, and Penelope, 18 months, on a Mexican beach on Monday, Jan. 27 -- see the pictures

Miranda Lambert showed off her dramatically skinnier figure in a plunging Pamella Roland gown at the 2014 Grammy Awards

David Beckham ditches his clothes (and his underwear) in a new teaser spot for his H&M line Super Bowl commercial

Kristen Bell reveals she has a "pregnant sex tape" and says that husband Dax Shepard "felt like he was cheating" with another woman

Eva Longoria showed off her toned body in a tiny blue bikini during a recent vacation in Acapulco, Mexico -- see the pictures!

Jillian Michaels talks with Wendy Williams about the one body part she'd like to change -- her butt -- and why she's dreading her 40th birthday

After being criticized for gaining weight, Britney Spears' ex-fiance, Jason Trawick, shared a picture on Twitter of his bare flabby belly and said he's starting a diet and workout program

Kelly Ripa, 43, flaunted her amazing bikini body in Los Cabos, Mexico on Sunday, Jan. 19 -- see the pictures here!

Nearly three months after giving birth to her first child, son Julius Chick, Homeland star Morena Baccarin made her post-baby return at the SAGs 2014 red carpet Saturday, Jan. 18 -- see a stunning picture!