Source: Twitter
Two of the biggest boy bands (almost) all together! ...well the Backstreet Boys with Lance Bass, at least. Lance Bass went to the Backstreet Boys Larger Than Life show in Vegas with husband Michael Turchin when he joined BSB on stage for the song "Shape Of My Heart".
Source: Twitter
Lance Bass, one of the former singers of *NSYNC started singing with them while Howie Dorough held out a red rose during the song. The Backstreet Boys had Lance's former band mate Joey Fatone earlier this month too!