WATCH: Paul McCartney Makes Surprise Appearance on SNL With Jimmy Fallon

Published:11:47 pm EDT, December 21, 2013| Updated:5:24 pm EDT, December 22, 2013|

Jimmy Fallon wanted a legendary musical talent to sing with him for the opening of Saturday Night Live during his monologue, but David Bowie and Bob Dylan couldn't make it ...

Suddenly Sir Paul McCartney appears to sing a Christmas duet with Fallon as Fallon plays the guitar.

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