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

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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.