Charli XCX teamed up with Vampire Weekend's Rostam Batmanglij on David Letterman last night. Watch their performance below.
The two co-wrote XCX's new single 'Need Ur Love', which closes her third album Sucker. Batmanglij accompanied the singer on the piano as she writhed around on top of it for her David Letterman performance.
Watch Charli XCX + Rostam Batmanglij perform 'Need Ur Love' on Letterman below
Batmanglij also produced the singer's Hunger Games contribution, 'Kingdom', which she performed with Simon Le Bon.
Charli XCX's latest album, Sucker, was released on 16 December.