Watch: Florida Georgia Line and Backstreet Boys bring harmonies and throwbacks to ACM Awards

The Backstreet Boys didn't have to travel far to perform at this year's ACM Awards in Las Vegas. Currently in residency at Planet Hollywood, the fivesome cruised over to the nearby T-Mobile Arena to belt out their single "God, Your Mama and Me" with country superstars Florida Georgia Line.

FGL's Brian Kelley and Tyler Hubbard took care of the first verse and chorus before Nick Carter made his way through the audience for the second verse. The septet of bros maxed out the harmonies on the doting power ballad and hammered down the song's message as they belted out unconditionally in unison. But wait, there was definitely more. The guys got even the fanciest attendees on their feet and dancing (looking at you, Faith Hill and Nicole Kidman) as they belted out BSB staple "Everybody (Backstreet's Back)". They weaved through the audience before before ending with the song's classic choreography. Check out the boy band brilliance below.