Kanye West E T Ft Katy -

It was the fourth single from Perry's massive album Teenage Dream (2010).

Kanye West appears floating in a spacecraft, and model Shaun Ross plays the robot-turned-human lover. 🏆 Chart Success Number One: The song hit #1 on the Billboard Hot 100 . Kanye West E T Ft Katy

Perry described the song as being about "falling in love with a foreigner". It was the fourth single from Perry's massive

It uses extraterrestrial imagery to describe a lover who is "from a different dimension" and "not like the others". Kanye West E T Ft Katy

The album version was solo, but the single release was reworked to feature two verses from Kanye West.

He raps from the perspective of an alien lover, using lines like "I know a bar out in Mars" and referencing being a "big-headed astronaut".