J.Lo's Trainer Shares His Top 3 Bum-Sculpting Moves

Celebrity trainer David Kirsch shows how to do a sumo lunge, plié squat, and platypus walk to get a glorious butt like J.Lo's in as little as two or three weeks.

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A Butt Lift Workout to Try at the Gym

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Jennifer Lopez Workout Experiment - I Worked Out with JLo's Trainer

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Jennifer Lopez Shows How She Works Her Toned Butt With Leg Press

We Tried It: Working Out with Jennifer Lopez's Trainer, David Kirsch