Taylor Swift and Zayn Malik have surprised fans by releasing a new song for the next Fifty Shades film.
The stars dropped a snippet of the track, I Don't Wanna Live Forever, on their Twitter accounts.
The ballad will feature on the soundtrack for Fifty Shades Darker, starring Dakota Johnson and Jamie Dornan, which is released in February.
Lyrics include: "Baby, baby, I feel crazy/Up all night, all night and every day/I give you something, oh, but you gave me nothing/What is happening to me?"
Former One Direction star Zayn, 23, posted an image of the pair on Instagram, cuddling one of Taylor's cats.
Jack Antonoff, who co-wrote the song, said on Twitter: