NEW YORK, Oct. 21 (UPI) -- The Backstreet Boys shocked attendees when they closed out the Balmain x H&M fashion show in New York City with a surprise performance on Tuesday.
The launch event for Balmain's new clothing line made in collaboration with H&M featured A-list models such as Kendall Jenner, Gigi Hadid, Jourdan Dunn, Joan Smalls and Karlie Kloss, who were seen dancing and celebrating once The Backstreet Boys took the stage.