In the video below, Graham sings her hit song "Heartkiller." Her performance is the culmination of the show's weekly guest artists, which have included Far East Movement, Neon Hitch and Orianthi, among others.
Hosted by Jamie Kennedy, Oh Sit! is a competition based on the classic game of musical chairs. It was recently renewed for a second season. The finale airs on Wednesday at 8/7c on The CW.