Burn some fat and sculpt some muscle with Jeanette Jenkins, aka The Hollywood Trainer. With clients like P!nk and Alicia Keys she lives up to the moniker. This 30-minute workout mixes cardio with strength training for the ultimate sweat session. Grab a set of five-pound dumbbells, press play, and get ready to work. On Anna: Lorna Jane top
On Jeanette: Nike
On Dre: Lorna Jane top and Chichi Active leggings