The Best Exercises for a hard, rounded butt. Do 3 times a week with 30-60 seconds rest in between the sets. Repeat twice. Click image to watch video. ‪#‎fitness‬ ‪#‎exercise‬ ‪#‎workout‬ ‪#‎butt‬ ‪#‎glutes‬ ‪#‎weightloss‬ ‪#‎health‬