But that wasn't the only headline-worthy moment of the night. The boy band decided on a whim to cover The Fresh Prince of Bel-Air
theme song, but were forced to stop prematurely. "We didn't think that through... We needed to rehearse it," Niall Horan
quipped -- feeling a prime opportunity to poke fun at Kanye West,
apparently. "I'm going to be president in 2020!"