Dec 2, - Butt Workout 5: Sexy Beach Body from 30 Day Bitt Lift is an intense, target-toning workout that uses strength-training exercises to burn fat and focus on the butt, thighs, and core. Re-shape and tighten the booty as you slim the hips, thighs, and waistline with this muscle. Feb 10, - Best Butt Exercises From Beachbody. Beachbody Trainer Autumn Calabrese Shares Her 3 Fave Booty-Sculpting Moves. Author picture of.