Jimmy Fallon and Paul McCartney Surprise Fans in 30 Rock Elevators

Paul McCartney was a guest on "The Tonight Show with Jimmy Fallon" last night, to promote his new album, "Egypt Station" and to tease his secret concert tonight in New York City. 

Before the taping Jimmy and Paul gave fans a really cool surprise.  When the elevator door opened on the wrong floor, there was Jimmy and Paul.   Their reactions were priceless.  Watch it below. 

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