• LAUGH FACTORY photo | John Krasinski, Matt Damon

Credit: Eric Charbonneau/WireImage

Published: Friday December 07, 2012 06:00 AM EST



Promised Land co-writers (and budding BFFs) Matt Damon and John Krasinski catch a case of the giggles Thursday during the L.A. premiere of their new film at the Directors Guild of America.

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