Kelly Rowland and AJ McLean on Full-Circle Moment Working Together on Building the Band

Kelly Rowland and AJ McLean chat with ET’s Cassie DiLaura about ‘Building the Band,’ now streaming on Netflix. The singers replicate on the full-circle second of them working collectively on the present after Destiny’s Child opened for the Backstreet Boys again in 2001 throughout their ‘Black and Blue’ tour. Plus, the pair open up about additionally working with the late Liam Payne and the impression he had on the contestants.