Popsugar Fitness Workouts At-Home Butt Workout Getting a Firm, Sculpted Butt Isn't as Hard as It Seems — Here's How to Do It 24 September, 2018 by Tamara Pridgett View On One Page Photo 4 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Clamshells Lie on your left side with your head resting in your hand and your knees bent in toward your chest at a 90-degree angle. Stack your right leg on top of your left leg. Keep your feet together as you lift your top knee up toward the ceiling. Lower your leg back down. This completes one rep. Complete 10 reps on each side. Previous Next Start Slideshow Trainer TipsBooty GainsGIF Exercises15-Minute WorkoutsBeginner WorkoutsButt Workouts20-Minute WorkoutsStrength Training