Florida Georgia Line & Backstreet Boys do 'Everybody (Backstreet's Back)' at 2017 ACM Awards

It was no secret that Florida Georgia Line would take the Academy of Country Music Awards stage with the Backstreet Boys Sunday night (April 2), as they were announced as co-performers prior to Sunday's show. But what the audience didn't realize was that they'd also be singing a Backstreet Boys song.

After delivering a sweet rendition of their collaboration "God, Your Mama, and Me," the country duo and boy band provided perhaps one of the most electric moments in awards show history by singing "Everybody (Backstreet's Back) -- and yes, all seven of them did the iconic dance.

There were some incredible performances throughout the 2017 ACMs, but it's pretty hard to deny that FGL and BSB gave the best of the night (and judging by his reaction, Tim McGraw would agree). Good thing no one had to follow that one up.

Watch part of their performance below.

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