Stars' Diet Secrets

Get the scoop on how Hilary Duff, Kate Hudson, Jessica Simpson and nine others stay healthy and look great. By Emily Fromm and Serena Kappes

JESSICA SIMPSON

To look sleek in her Daisy Duke shorts, Dukes of Hazzard star Jessica Simpson, 25, followed the "Don't Eat Crap Diet" laid out by trainer Michael Alexander and comprised of mostly grilled chicken, fish and green vegetables. And if she slipped one day, Simpson just put in extra workout time. Since making the movie, she has loosened up a little, with pasta and Mexican food making special appearances.