Hottest Bikini Bodies

Check out Eva, Jessica, Beyonce and more and vote on who looks best – then take PEOPLE's ultimate bathing-suit poll and see the results in the Summer StyleWatch issue, on newsstands May 12. By Serena Kappes

JENNIFER ANISTON

It's all about balance for Aniston, 37, who stays trim on the Zone diet (which regulates the amount of fats, carbs and proteins in each meal) but also loves Mexican food. And she exercises three or four times weekly, including doing Pilates. "I just love it," the actress (in France) says. "I feel the shift in my back and lower back. My body is tweaked."