Power Duo Harry Styles & Jimmy Fallon Tease Their 'SNL' Takeover (VIDEO)

Harry Styles and Jimmy Fallon have unveiled their jazzy promo video to stoke excitement for their Saturday Night Live takeover this weekend.

On Wednesday, SNL released a short clip of Styles looking handsome in a suit and Fallon sporting a bomber as they attempt to upstage one another while plugging their collaboration.

Jimmy Fallon will host the show and Styles will serve as the musical guest. The One Direction heartthrob is on tap to deliver his debut solo single, "Sign of the Times," live for the first time ever. Sources told Billboard that Styles will also unveil another new song off his forthcoming solo album during the show.