Jimmy Kimmel Pranks Matt Damon By Dispatching Guillermo To His Press Junket (VIDEO)

08/07/2013 04:03 pm ET | Updated Oct 07, 2013

Jimmy Kimmel's arch-nemesis Matt Damon is promoting a new movie, which means only one thing: Jimmy's going to try to screw it up somehow. Did you really think he wouldn't? After Damon slept with his girlfriend and stole his show?

The talk show host dispatched his security guard/sidekick Guillermo to crash Damon's press junket for Elysium to promote his own movie. Check out the clip above to see Matt lose his cool.

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