By Margaret Lyons
Updated March 12, 2010 at 11:44 PM EST

Heidi Montag will be playing a “small role” opposite Kevin Nealon in the upcoming Adam Sandler comedy Just Go With It, sources confirm to EW. Montag tweeted earlier this week that she had been “cast in [her] first feature film comedy,” and that she would begin shooting this Monday. Just Go stars Sandler, Jennifer Aniston, and Brooklyn Decker.