Popsugar Fitness Workouts What Exercises Make My Butt Bigger? If You Want a Bigger, Rounder, Firmer Butt, Here Are 50 Exercises to Get You There October 19, 2018 by Jenny Sugar View On One Page Photo 50 of 51 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 50 Lying Butt Lifts Lie flat on your back on a mat with your knees bent and your arms at your sides. Feet should be hip-distance apart. Slowly raise your pelvis up toward the ceiling to a point where your body will be at about a 40- to 45-degree angle relative to the floor. At the top of the movement, be sure to really flex your butt for one second — try to make it a long second. Now slowly return to the start position to complete one. Previous Next Start Slideshow WorkoutsStrength TrainingButt ExercisesBooty Gains