This Killer Workout Torches Calories — About 500 in 45 Minutes

Get 30 Days to a Flat Belly: It’s time to break a sweat! This 45-minute workout from celebrity trainer Jeanette Jenkins, who trains Pink and Alicia Keys, will help you burn up to 500 calories. How, you might ask? Because Jeanette keeps you moving the entire time! It’s a wonderfully intense workout, but we offer modifications for all the moves too. Grab a towel to mop your brow, a bottle of water to hydrate during the workout, and press play. On Anna: Lululemon, Koral, and Athleti