Join certified trainer Mercedes Owens [1] for a 15-minute booty burn. This routine focuses on your lower body, glutes, and core and includes some well-deserved recovery sections as you go. It's a quick one, but don't be fooled — you'll still feel challenged with sets of glute bridges, squat hops, donkey kicks, and more. You can add a resistance band to take this class to the next level, but you'll still get a great workout if you go bodyweight only.

Owens's outfit: Vuori [2]