The Backstreet Boys Appear on ‘The Bachelor’ 2017

The Backstreet Boys

All five of the Backstreet Boys appear on tonight's episode of The Bachelor, with Nick Viall and several lucky women. For a group date, the contestants and Viall learn some dance moves and get to attend a concert with the guys. Die-hard BSB fans have been waiting for this episode. As for those of you unfamiliar with the guys, the members of the group include Nick Carter, Kevin Richardson, Brian Littrell, A.J. McLean, and Howie Dorough. Check out the best photos from the Backstreet Boys' appearance on season 21 of The Bachelor. (ABC/Rick Rowell)