Sarah Silverman And Matt Damon

By Peter Sciretta/Feb. 1, 2008 11:23 am EST

Didya hear? Sarah Silverman is F–king Matt Damon. Damon has long been the punchline of a running joke in Silverman's boyfriend Jimmy Kimmel's sign-off ("Apologies to Matt Damon, we've run out of time!"). To celebrate their 5th anniversary, Silverman performs a song abiout her torrid affair with The Bourne Identity star.