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Stars' Workout Shout-Outs

Fergie, Kelly Osbourne and more are talking up their favorite fitness tricks and must-do routines

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JENNIFER LOPEZ LOVES HER LEGS

Jennifer has some of the best gams in the business, so it's no surprise that she loves leg-toning exercises. "I work out with my trainer and we do a lot of lunges and squats, which really helps tone legs." The former Fly Girl loves dance for the same reason: "Along with being a great cardio workout, it’s amazing for the legs!"