Kanye West surprised the crowd at Kid Cudi's concert Saturday night with his first appearance on stage in a year.
Kanye and Cudi performed "Father Stretch my Hands, Pt. 1" at Chicago's Aragon Ballroom.
Kanye hasn't been on stage since cancelling his Saint Pablo Tour last November.
***WARNING: VIDEO CONTAINS NSFW LANGUAGE***
Source: TMZ, Daily Mail