Because of a weird joke, there’s this misconception that people won’t perform duets with Kelly Clarkson. Jimmy Fallon put that malarkey out to pasture by performing not one duet, but a medley of rambunctious covers with the singer. There’s a little bit of everything here, including Sonny and Cher, Paula Abdul and the Wild Pair, Dolly Parton and Kenny Rogers, and Aaron Neville’s mole.