It's no secret that Eva Longoria's got killer legs, and Fergie's got abs to die for. We don't blame you for drooling over them, but you don't have to kill yourself in the gym to get their look! Experts Tracey Mallett (a Pilates instructor with her own line of workout DVDs, available at traceymallet.com) and Cailtin Murphy (a fitness instructor and author of Fighting the Freshmen Fifteen, available fit4college.com) fill us in on how to look like our favorite stars! By Elisa Kim.

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