10 Min BUTT Workout for a Rounder Butt and Tone Thighs! Female Fitness - July 10, 2018 55261 Want a bigger, rounder, more lifted Bubble Butt!? Then give this quick butt workout a try. Its great for activating the glutes and lifting the butt. Good for beginners and intermediate levels. For the #1 Butt Workout Plan: