It helped Teenage Dream become the first album by a female artist to produce five #1 singles, tying a record set by Michael Jackson.
Directed by , the video was a major visual production: Kanye West E T Ft Katy
It was the fourth single from Perry's massive album Teenage Dream (2010). It helped Teenage Dream become the first album
An "electronic and hip hop ballad" influenced by dubstep, techno, and drum and bass. Kanye West E T Ft Katy
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".