Celebrity Shock & Awe! The Year's Biggest Body Moments From Pippa Middleton's scene-stealing curves to Kirstie's size-6 slim-down, revisit the year's most revealing headliners By Kiran Hefa Published on November 22, 2011 01:00 PM Share Tweet Pin Email Trending Videos 01 of 09 PIPPA MIDDLETON Tim Rooke/Rex-USA Duchess Catherine's younger sister stole the show during the royal wedding, sporting a curve-hugging Alexander McQueen sheath that sparked the public's imagination. Dubbed "Perfect Pippa," the 28-year-old's equally desirable derriere even launched three Facebook pages and its own Twitter feed. 02 of 09 KIRSTIE ALLEY Brian Doben After her amazing run on Dancing with the Stars, Alley shimmied her way down to a size 6 – and shed 100 lbs. in the process. "I have more energy than I've ever had in my whole life," she told PEOPLE in September. "There was nothing positive about being fat." 03 of 09 CHARLIE SHEEN Ryan Turgeon/Splash News Online What was the most shocking thing that came out of Sheen's My Violent Torpedo of Truth tour? His winning torso. Though the former Two and a Half Men star's tour was widely panned by critics and fans alike, he told PEOPLE of his washboard abs, "I'm working out so hard. I'm in better shape than I've ever been in." 04 of 09 LEANN RIMES Leann Rimes/TwitPic "People are calling me bulimic or anorexic, and these are real issues and diseases – that I don't have," Rimes told PEOPLE of the Internet reaction to bikini photos she posted during her Mexican honeymoon with husband Eddie Cibrian. She even chastised a follower, telling her, "Those are called abs not bones love." 05 of 09 SELMA BLAIR Pascal Le Segretain/Getty; Landov Just six weeks after son Arthur's July birth, Blair left revelers green with envy when she hit the red carpet in a body-skimming Roland Mouret dress at the Venice Film Festival. "I have lost maybe one pound since I left the hospital," she coyly admitted, adding that she's breastfeeding and following The Kind Diet, "but it's tightened up a little." 06 of 09 CAMERON DIAZ INF No, you'd better not touch her popcorn without asking first. Diaz showed off her buff arms in February during a Miami workout with then-beau, New York Yankees slugger Alex Rodriguez, that involved playing tug of war and lifting tractor tires. "The more I work on my body at this age," she has said, "the better it gets." 07 of 09 JASON MOMOA Lionsgate Need an action hunk with an impressive set of abs, biceps, triceps and glutes? Look no further than Lisa Bonet's real-life hero Momoa, who put on 20 lbs. of muscle to tackle the role of Conan the Barbarian, and later, Game of Thrones warlord Khal Drogo. "We do two hours of sword work...then have a little break, eat a broiled chicken, do two hours of weight lifting and have cardio," the Hawaiian hunk said of his dedication to looking smokin' hot. 08 of 09 COURTENEY COX Splash News Online This is what 46 looks like?! Cox hit the beach in St. Barts sporting a skimpy black bikini while vacationing with Cougar Town costar Josh Hopkins (not pictured) in March. "She's really hot," he later said, but denied the two were anything more than just friends. 09 of 09 JONAH HILL Evan Agostini/AP; Broadimage The comedian debuted his slimmed-down frame while hitting the promotional trail for Moneyball in September. "I just started eating really healthy and exercising. That's about it," Hill told Mario Lopez on Extra of his 40 lb. weight loss. "I wish there was some amazing book that I found in the center of the Earth that had all the world's secrets in it, but unfortunately, it was just hard work."