Watch: Stephen Colbert performs Rebecca Black’s ‘Friday’ on ‘Jimmy Fallon’

Last night was Friday, and what better way to celebrate that rare milestone than watching one of the world’s funniest people singing one of the world’s worst songs? Comedy Central superstar Stephen Colbert dropped in on “Late Night With Jimmy Fallon” to perform Rebecca Black’s Internet sensation “Friday” with a little help from Fallon, house band The Roots and some special guests. Watch below!