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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