With the Roots playing behind, Stephen Merchant and Joseph Gordon Levitt took to Late Night With Jimmy Fallon to battle it out against him, in none other than a… Lip Synch War! Merchant did his best Will Smith impression as he lip synched one of his classics, and blazed the stage with his version of Beyonce’s “Single Ladies”. Jimmy Fallon performed 80’s hits, while Joesph Gordon Levitt killed his Nicki Minaj “Superbass” rendition! Hit the jump to see the hilarious clip!