Workouts synced up to music are kind of the best, and you don't have to hit up a trendy studio class to get them! YouTube is a treasure trove of fun workouts set to the best pop songs of the moment, and fitness YouTuber Maddie Lymburner posts some of the coolest. Obviously, that includes the perennial favorite: ab and core workouts. Miley Cyrus, the Jonas Brothers, Lizzo, and more — take your pick from our top pop song ab workouts, for when you just need that extra motivation to get going.