Watch Charli XCX Perform "Need Ur Love" On Letterman

With help from Vampire Weekend's Rostam Batmanglij and an amazing piano.

Charli XCX appeared on Letterman last night to share more of Sucker - she performed "Need Ur Love" while dancing atop a white piano, played by Vampire Weekend's Rostam Batmanglij, with whom she wrote the song. "Need Ur Love" is one of our favorites from the record, so obviously it makes for a great performance - Charli's outfit is fantastic and her backup singers are on point. Check it out below.