Matt Damon Vs. Guillermo: Round Two (VIDEO)

11/17/2009 05:12 am ET | Updated May 25, 2011
  • Alex Leo Head of Audience Development, Yahoo!

In a continuation of what may be our favorite late night feud of all time, Guillermo (aka Jimmy Kimmel's parking lot security guard) and Matt Damon went at it again this week when the portly Kimmel regular tried to steal Damon's part in "The Informant!" Damon may have let that slide, but considering Guillermo tried to pull the same stunt back in 2007 with "Bourne Ultimatum," this beef quickly devolved into fisticuffs.

WATCH DAMON & GUILLERMO FIGHT OVER THE INFORMANT:

WATCH DAMON & GUILLERMO FIGHT OVER THE BOURNE ULTIMATUM:

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