ON his “Legally Prohibited From Being Funny On Television” tour at Los Angeles’ Gibson Amphitheatre on Sunday, talkshow host Conan O’Brien welcomed a very special guest to join him on stage.

As the 46-year-old broke out in his rendition of Five for Fighting’s “Superman (It’s Not Easy),” fellow funnyman Jim Carrey walked in singing the second verse dressed as Kick Ass.

The audience laughed as the masked actor entered he arena, and cheered loudly when Jim ripped off his mask to reveal his true identity. Conan also changed into a Superman outfit to finish the song with his avid supporter.

“Loved doin’ concert with Conan! So many faces wide open like kids!” Jim tweeted after the show. “The world was new and worry forgotten by all of us!

Watch their performance here:

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