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

JESSICA SIMPSON

To fit into her Daisy Duke shorts, Simpson, 25, dieted for two months and worked out six days a week. "When I found out I got the role, I went straight to the gym," says the singer-actress (in Hawaii), who toned up with squats, lunges and weight-resistance exercises. She's since eased up on the workouts but has kept her lean shape.