If you're looking for fitness inspiration, why not look to the stars? Each week, we round up some of the best celebrity fitness stories for you. Many will motivate you to hit the gym and eat healthfully, while some ... well, some can be viewed more as cautionary tales. But no matter what, you're going to be entertained!

Kim Kardashian is flaunting one of the sexiest figures in Hollywood today. How does the reality TV star keep her famous booty -- and the rest of her body -- looking so good? Click the gallery below and press the play button to listen to Kim share her diet tricks, favorite workout tips and how she gets rid of cellulite.

Ready to take on those unhealthy eating habits? Maggie's got three tips for nixing those bad habits once and for all. (Hint: Quit eating in front of the TV.)

Scarlett Johansson slims down for "Iron Man 2," but 55 percent of "That's Fit" readers think she looks healthier with her curves.

Caffeinating before a workout -- do you do it? Eighteen percent of you said yes, but only because you're caffeine users anyway.

Can't get rid of that cellulite no matter how many squats and lunges you do? Do what celebs like Kim Kardashian and Marisa Miller do and camouflage those lumps and bumps with a good moisturizer and a little bronzer.

Next time you're at the gym, Fitz wants you to remember this: Smoothies are great as an occasional dessert, but they are not a required snack after your workout.

Remember the can't-look-away grossness of "This Is Why You're Fat?" Now there's a healthier version, "This Is Why You're Thin." Check it out!

Diet and exercise isn't about creating the perfect body, it's about taking care of the body your momma gave you. Laura teaches us how to love our bodies, Hollywood perfect or not.

Live too far from work to commute by foot or bike? Try public transit. It still beats driving your car for personal fitness.

Eight weeks after her arm lift, Karla's ready to go sleeveless. Read more about her surgery and recovery. Are you ready to bare your arms this spring?

Feeling angry? It's not doing much for your waistline. In fact, research shows that angry men gain more weight. Don't worry, Jacki's got some tips to help you keep that temper under control and avoid emotional eating.

Got a little bit of orange peel skin on your bootie? Are your thighs at all reminiscent of cottage cheese? Even if you're in phenomenal shape, you can still suffer from cellulite, and Marisa Miller is proof.

The Victoria's Secret model may look flawless, but she insists she isn't, and she's sharing her secrets to hiding cellulite. "Skin is huge and there are so many great bronzers ... if you have a little glow it really hides the imperfections -- bruises, spider veins, we all have a little cellulite. When you have that glow and you're moisturized, the light hits you in a different way."

Of course, she works hard to keep the alleged cellulite at bay, doing lots of boxing, spinning and surfing -- "I try to mix it up," says Miller. "... I just get outside and try to make it fun so my body doesn't get bored." And she's not the only one working hard but still dealing with cellulite -- Kim Kardashian is a member of that club, too.

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Kim Kardashian's main squeeze might be professional football player, Reggie Bush, but this year, she wasn't even watching the Super Bowl. Nope, instead of vegging out and stuffing her face with all kinds of delicious scrumptious diet-unfriendly football foods, Kim was working out.

It wasn't just a regular old workout, of course -- she was shooting a workout DVD. The shoot was planned long before anyone was aware that February 1 was the Super Bowl, and while Kim didn't want to miss the big game, she felt shooting the video was more important.

Kim explained why shooting this video meant so much to her, saying, "For young girls to see exercise videos that have only skinny girls ... well, that's something they can't attain. I want this to be something that can be realistic for most girls." The video will be geared toward curvier women, showing them how to tone up and stay in shape. And, while I applaud Kim for wanting to promote a good body image, I'm very curious to see how her workout differs from the "skinny girl" workouts. Aren't you?

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We've previously established that Demi Moore is letting herself go lately. Well, not letting herself go all the way, but she's definitely stopped working out as hard as she once did. And Kate Hudson, well, she stays in shape with activities like skiing. Kate Winslet, who was once a fat kid, says she is fine with not being perfect. Then there's Kim Kardashian, a lover of junk food, who says sleep and water are her secrets to slim.

It wouldn't be a stretch to assume none of these sultry stars go to the gym, but one in particular just recently confessed that the gym is just not for her. She doesn't use a trainer either. And she doesn't stuff down too much chocolately food either, which happens to help when you don't go to the gym. Who is the lucky lady who reportedly wears a size 6, despite ditching the gym?

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While being overweight can be detrimental to your health, having a little junk in the trunk might actually be helpful.

Researchers have long known that belly fat can raise your risk for type 2 diabetes and heart disease. New research from Harvard Medical School suggests that subcutaneous fat -- the kind that tends to gather on hips and butts -- may actually help prevent type 2 diabetes.

This is great news if you've got a little extra bulk in your booty, but I wouldn't take this research as a green light to let yourself go. Eating healthful foods and maintaining a healthy weight is still your best defense against health issues like type 2 diabetes. AOL Health has some great exercises to help get your butt in shape. And remember, you can be fit and still keep your curves -- just check out the sexy stars below for proof.

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