Best of 2011: Most Talked About Bodies of the Year

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Christina Aguilera

Who needs pants? Christina Aguilera showed off her curvy figure in a skimpy corset and fishnets at the Michael Jackson Tribute Concert in October.

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Courtney Stodden

All natural! Teen bride Courtney Stodden got an ultrasound on Dr. Drew Pinsky's Lifechangers to prove she didn't have breast implants. Hubby Doug Hutchison told E! News: "God was [Courtney's] only plastic surgeon."

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Demi Lovato

Bullied for her weight as a child, the singer-actress developed an eating disorder that turne into a lifelong struggle with food. When critics attacked her weight at the MTV VMA's, she tweeted: "Guess what? I'm healthy and happy, and if you're hating on my weight you obviously aren't."

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Demi Moore

In the months leading up to her  split with Ashton Kutcher, Demi Moore lost a significant amount of weight from stress. "She is superskinny, and it's hard to look at," one friend told Us. Another friend added: "She's very upset, and hasn't been eating. It's taking a toll."

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Hugh Jackman

"I don't really enjoy training. People say it's addictive, but I'm like, 'Not so much,'" the actor told Men's Fitness. "If I weren't getting paid or didn't have a character like Wolverine to maintain, I would just be a tall, lean, fit guy."

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Jennifer Aniston

"No, we're not pregnant," Aniston (who's been dating Justin Theroux since the spring) told Britain's Hello! magazine. "It's just I quit smoking, so I've gained a couple of pounds."

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Jennifer Hudson

"I didn't even know I was considered plus-sized until I came to Hollywood," she told Self magazine. "I thought I was the perfect size!" Since then, Hudson has dwindled down from a size 16 to a size zero. In 2010, she became the spokeswoman for Weight Watchers.

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Jessica Simpson

"Everybody fluctuates, but I'm open about my weight and I'm still confident," the mom-to-be told Lucky magazine. "I got so much scrutiny for putting on extra pounds, but I think that the decision not to make myself anorexic was actually great for branding. Because when you're really, really skinny, not everybody can relate to you."

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Joe Manganiello

The True Blood star insists he stays in shape for work, not for vanity. "If Alcide was described as weighing 300 pounds with a comb-over and missing his front teeth, that's what I would look like," he told GQ.

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Kate Middleton

The slim Brit stunned in an Alexander McQueen gown at her April Wedding to Prince William. Since then, Kate's svelte figure has been in the spotlight; when she refused peanut paste in November, pregnancy rumors started, although an insider says she just "isn't comfortable eating in front of cameras"

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Kellan Lutz

"I can't really sing, I can't play the guitar, but God gave me a physique, which is nice," the Breaking Dawn star told Us. "I'm very athletic and I enjoy playing any sport and every sport."

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Kevin Federline

Britney Spears' ex-hubby has packed on a few pounds since his days as a professional backup dancer. But the former Celebrity Fit Club contestant is hitting the pavement in an attempt to get back in shape!

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Lauren Alaina

The Idol runner-up lost 25 pounds by changing her diet and portion control. Daily workouts of crunches, pushups and "lots of squats have also helped, the singer told Us. "I'm 10 pounds from my goal -- almost there! I wear size small and extra-small now!"

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LeAnn Rimes

Eddie Cibrian's wife told The Ellen DeGeneres Show she's "kind of gotten over" the speculation over whether she's too thin. "[But anorexia and bulimia] are diseases, and using them as name calling [is] almost like bullying."

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Mariah Carey

Carey admitted she "gained an enormous amount of weight" during her pregnancy with twins. But since their birth, she lost 40 pounds of water weight and an additional 30 pounds by buckling down with a nutritionist and a workout plan from Jenny (formerly Jenny Craig), keeping to a 1,500-calorie-a-day menu and thrice-weekly workouts.

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Megan Fox

The former Transformers star showed off her healthy curves in leather shorts in August. Her trainer Harley Pasternak told HollywoodLife.com the actress struggles to put on weight. "Believe it or not she has this really fast metabolism. So her training is all about body toning and sculpting. With her it's really about she's eating enough of the right things. People thought 'Oh she must be anorexic,' but she's far from that!"

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Miranda Kerr

"I'm a little more curvaceous now, which I really love," the supermodel told Cleo magazine after giving birth to son Flynn. "I think it's great to embrace these curves and work with them." Kerr also credited breastfeeding and pilates to helping her lose the baby weight.

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Pippa Middleton

Duchess Kate's kid sister's derriere nearly stole the show at the royal wedding. In TLC's special Crazy About Pippa, one expert speculated that Pippa might have padded her rear-end for the big day.

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Victoria Beckham

Just two months after giving birth to daughter Harper in July, the star was back to a size zero.