Katy Perry collaborates with Kanye

Katy Perry is set to release her duet with Kanye West

The singer is set to release a remix of her 'Teenage Dream' album track 'E.T' as a single, featuring the rapper.

She sent a twitpic from the set of the video, writing 'Behind scenes of the E.T. VIDEO, featuring: YEEZY! Directed by Floria Sigismondi, COMING SOON!'