‘Dance Moms’ Paige and Brooke Hyland sit down with ET’s Rachel Smith to discuss the reunion special, airing May 1 on Lifetime. The sisters share why the cast reunion brought them ‘closure’ to their past with dance coach Abby Lee Miller. Plus, Paige and Brooke weigh in on their mom Kelly Hyland’s epic fight with Abby that ended their run on the popular dance show.