The mega boyband just announced their new Las Vegas residency Larger Than Life at the Axis Theater inside Planet Hollywood begins next March, so get their feet wet the five-some made a surprise appearance during Florida Georgia Line's set at the iHeart Radio Music Festival on Saturday (Sep. 24) at the T-Mobile arena.
Brian Kelley and Tyler Hubbard covered a bit of “Everybody (Backstreet’s Back)” then proceeded to gush over the band (Kelley’s first concert ever and Hubbard’s first CD was the Backstreet Boys). That marked the perfect opportunity for the guys to walk out on stage and give locals a preview of what's to come. Watch them perform "Everybody" below:
You may recall the two bands united the recording studio for a song off FGL's new album. They're practically old friends at this point.