Follow along as Mary Helen Bowers, founder of Ballet Beautiful, shows you how to sculpt and tone your derrière in the most graceful way possible.

More butt-toning videos from top trainers:

Brynn Jinnett, founder of Refine Method
Sit at a desk all day? Activate your neglected glutes and they’ll firm up in no time.

Cassey Ho, Pilates instructor, blogilates.com
Try these power-Pilates exercises to target saddlebags and outer thigh bulge.

Kristin McGee, yoga instructor, kristinmcgee.com
Moms-to-be, watch Kristin demostrate yoga moves to keep your butt in shape during pregnancy.