❤️How To Get A Flat Stomach + Bigger Butt | 4 Workouts That Will Sculpt A Bigger Booty and Flat Belly! This workout plan will target your glutes and stomach. It’s a butt and ab semi-cardio workout routine that will sculpt a bigger butt and flat stomach. After you complete this routine make sure to do cardio for another 7 minute to increase your calorie burn. This will help to burn belly fat while building bigger glutes.