When it comes to shaping a booty, there are few people who know how better than Harley Pasternak. The man has trained and sculpted the butts of countless famous women, including Kim Kardashian, Katy Perry, Rihanna, Maria Menounos . . . the list goes on!
We asked Harley what the secret was to a strong, powerful butt, and he immediately had a laundry list of exercises to try. Here are the moves he uses when training his curvaceous clientele.