In answer to girlfriend Sarah Silverman’s “I’m F***ing Matt Damon” video, Jimmy Kimmel has fought back with his own “I’m F***ing Ben Affleck” video, enlisting some A-list help from Ben Affleck, Brad Pitt, Harrison Ford, Cameron Diaz, Joan Jett, Macy Gray, Robin Williams, Don Cheadle, Pete Wentz, Perry Farrell, Benji and Joel Madden, Lance Bass, Huey Lewis, Josh Groban, McLovin, Christina Applegate, Rebecca Romijn, and Dominic Monaghan, and Meatloaf Brad Pitt and Robin Williams.

Absolutely hilarious! View video below.

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