WATCH: The Lonely Island performs "YOLO" with Jimmy Fallon & The Roots
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The Lonely Island was the musical guest on "Late Night with Jimmy Fallon" Thursday night, where the comedic trio performed their song "YOLO" from The Wack Album.
Jimmy Fallon and The Roots were on hand to participate, natch, and what ensued was pure awesomeness!
Check it out: