Cee Lo Green (b. 1974, real name Thomas Calloway) is a singer, songwriter, record producer and actor. He is a member of the group Gnarls Barkley and is currently a judge on the NBC game show, The Voice.
The Muppets are featured on his Christmas album, Cee Lo's Magic Moment, performing the original song "All I Need is Love" with Green. They appeared with Green at his Las Vegas show performing the song on October 10, 2012. The performance served as a TV Guide Channel special and a music video for the song debuted online on November 26.