Charli XCX Troye Sivan 1999 ( The Tonight Show Starring Jimmy Fallon 2018 11 12)

British experemental pop, electropop singer and songwriter Charli XCX (Charlotte Aitchison) and South AfricanAustralian dream pop, electropop singer, songwriter, actor, and YouTube personality Troye Sivan performed with actual single 1999 in American Latenight talk show The Tonight Show Starring Jimmy Fallon on 12th november 2018