Replied Davidson: "But I did, though." When Fallon congratulated him and shook his hand, Davidson said he felt like he'd won a contest. He's getting nods of approval on the street from other men, the comedian said, with one telling him, "Whoa, man, you gave me hope."
Robert Pattinson also was on the show, smiling as the host and Davidson bantered. Grande and Davidson reportedly began dating in May after Grande's breakup with Mac Miller. Davidson and girlfriend Cazzie David also split around the same time.
NBC released a pre-air clip of the "Tonight Show" exchange between Davidson and Fallon.