Charli XCX and Troye Sivan will release their collaboration '1999' this Friday.
The 26-year-old pop star told her 3.23 million fans on Twitter that the track is going to be out this week and she unveiled the artwork that depicts the pair as characters from 'The Matrix', dressed in black floor-length leather and PVC coats and black sunglasses.
Charlie first posted: "Hey Troye....... @troyesivan (sic)"
Troye instantly replied: "mmmmhmmm Charli? (sic)"
Charli wrote: "Do you wanna go back?????"