Drew Barrymore [1] calls her trainer "one of the greatest," and now you too can reap the benefits of her expertise! Marnie Alton [2], fitness expert and creator of M/Body Technique [3] and studio, has created this quick 10-minute routine just for POPSUGAR! Get ready to work your glutes and core like never before! Her barre-inspired workout is effective and unique in that there is no ballet barre, but rather you're standing without any equipment the entire time.

Leggings: Avocado [4]. Marnie's top: Show Me Your Mumu [5]. Tarra's top: lululemon [6]. Kiara's top: Body Glove [7]