Actor Alan Cumming, who legally tied the knot with his husband in early 2012, joined Colbert on stage to inspire social change with a duet called "Oopsie-Daisy Homophobe."
"This song has united all Americans," Colbert said of the critically panned Paisley-Cool J duet. "Not just black and white, but Latino, Asian, Muslim, Pacific Islander, Inuit — all of us, to join our voices as one and declare, 'This song sucks.'"
"This level of unifying suckage has inspired me to write my own awful song in the hopes of bridging another deep cultural rift in America," he said. "The gay marriage divide."
Take it away, guys: