Justin Bieber has sampled it.
Nick Jonas has sang a few lyrics in concert.
But no one has paid tribute to Rebecca Black's "Friday" quite like Stephen Colbert and Jimmy Fallon. The talk show hosts, who have agreed to be best friends for six months, collaborated on the track during Fallon's show last night.
The performance (which included The Roots and Taylor Hicks) came after Colbert accepted Fallon's challenge to cover the YouTube smash if Fallon's audience came up with $26,000 to give to DonorsChoose.Org. Both sides came through with their ends of the deal, leading to the following hilarity: