Katy Perry - E.T. ft. Kanye West

"E.T." is a song by American recording artist Katy Perry from her third studio album Teenage Dream (2010). Written by Perry, Dr. Luke, Max Martin, and Ammo, and produced by the last three, it was released as the album's third promotional single on August 17, 2010. The song was later announced as the album's fourth single and released on February 16, 2011. The single version features vocals by