Tuesday night on The Tonight Show with Jimmy Fallon, the Backstreet Boys joined Jimmy for a cover of Thong Song by Sisqo. However, they performed it with an unusual twist. Check it out:
WATCH: Backstreet Boys Bust Out Barbershop Quartet Cover
Credit: Neilson Barnard / Getty Images Entertainment
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By Chuck Taylor
Feb 12, 2020, 12:33 PM ET
