Backstreet Boys fans weren't ready to stop the party after the DNA Tour Stop in Lafayette, LA.

Lexi Foreman shared a video of the small after-party that took place while fans were leaving the show. As a group of BSB faithful exited the arena they broke into an impromptu sing-a-long of 'Everybody' (Backstreet's Back) in the Lafayette CAJUNDOME tunnel and it was pretty epic.

Based on this glorious acapella performance, I think it's safe to say that last night's concert was a hit.