We target the muscles you use when you're dancing to tone and shape the inner thighs, the backs of the legs, and the butt and we get the abs, arms and upper body really strong without being overdeveloped," says Bowers, who uses lots of reps and not much weight in her workouts. "A lot of fitness is about contractions—you're doing squats or you're on a bike and your knees are bending, but never stretching all the way, so your muscles get strengthened but look short and thick." Bowers focuses on extending the body through bends—like the plié—followed by deep stretches. The week before the show, the workouts step up in intensity, incorporating extra cardio and butt-toning moves and going from an hour-long session four days a week to an hour and half twice a day. One of the best benefits of the workout, according to Bowers, is the perfect posture that comes with it: "It opens you up through your back and makes you look powerful and confident, which reads really well on the runway.