Last night, the Balmain x H&M collection held their launch event in front of a celebrity packed audience at 23 Wall Street in New York City.

Some of the fresh and familiar faces included Gigi Hadid, Kylie Jenner, Kendall Jenner, Ne-Yo, Diane Kruger, Coco Rocha, Jourdan Dunn, Zachary Quinto and F1 Champion driver Lewis Hamilton.

RELATED: Olivier Rousteing on Kendall Jenner dancing in the Balmain x H&M campaign video

The Backstreet Boys also took the stage for a surprise live performance at the end of the show to keep the energy going late into the night. 

RELATED: VIDEO: The Backstreet Boys and voguing at Balmain x H&M's party