</a><p>Drew Barrymore</a> calls her trainer "one of the greatest," and now you too can reap the benefits of her expertise! Marnie Alton</a>, fitness expert and founder of the M/Body Exercise Technique and Studio</a>, 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. Instead, you're standing without any equipment the entire time.</p><br /><p><br></p><br /><p>Leggings: Avocado</a>. Marnie's top: Show Me Your Mumu</a>. Tarra's top: lululemon</a>. Kiara's top: Body Glove</a>.</p>
