This short effective routine for your lower body will help tighten your body & shed weight fast! Doonya founders, Priya and Kajal, keep in mind your busy schedules with 12-20 minute express workouts with the best moves to tighten your body and lose weight fast. With fun and easy dances focused on the abs, glutes and thighs, as well as full-body high cardio routines, a little a day takes you a long way!