Hollywood stars have lots of help when it comes to dieting. But you don’t need a personal chef to stick to the 5-Factor Diet (5factordiet.com). Usmagazine.com has some quick summer recipes from trainer Harley Pasternak’s plan — the same one that gave License to Wed star Mandy Moore, 23, license to enjoy the healthy meals she cooks for herself. (Other devotees include Jessica Simpson, Eva Mendes and Katherine Heigl. “I’m totally happy where I am,” says Moore, who dropped 25 pounds in a year on the diet.