Fallon will appear on SNL with musical guest, former One Direction singer, Harry Styles, who is set to perform his debut solo ballad, "Sign of the Times", and a second track from the British singer's self-titled debut album.
Styles hasn't confirmed the claims and SNL producers are also yet to comment, though the site claimed earlier this week that Harry was reportedly down for anything those being the scenes may ask of him.
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One Direction announced they were going their separate ways past year as Harry, Niall Horan, 23, Zayn Malik, 24, Louis Tomlinson, 25, and new dad Liam Payne, 23, made a decision to take a break to explore solo projects. The song titles are: "Meet Me in the Hallway, Sign of the Times, Carolina, Two Ghosts, Sweet Creature, Only Angel, Kiwi, Ever Since New York, Woman, From the Dining Table".More news: What Taxes Will You Pay in Retirement?
Harry - who will appear in Christopher Nolan's forthcoming war film Dunkirk - showed off his comedy acting skills in a sketch based on Family Feud, America's version of Family Fortunes. He called it "insane" why anyone would leave a successful band and go solo.
Styles' character was even able to help his team defeat celebrities from 2017, giving a correct answer for the question, "What keeps you up at night?" "A little hanky panky".
Last night's episode was the first time that SNL has aired live at the same time from coast to coast in the US. Last night's "monologue" though, was something new. "That is insane." Harry teased his fans ahead of his SNL debut by having trays of kiwi fruit delivered to those in the standby line for the sketch show in NY. I know they have fans and the Dratch cameo was nice, but I've never found these characters amusing and didn't love having to spend another five minutes with them.
Harry Styles fans can catch him on TV next in his native United Kingdom when he makes his first solo appearance on the BBC's The Graham Norton Show on April 21.