The Other Woman.
 

http://www.imdb.com/title/tt2203939/

Made my damn cheeks hurt it was prob one of the best comedies of the past decade. Honestly my cheeks haven't really hurt in a movie before.

butt cheeks?

Face cheeks. I was laughing and smilin the whole way. Except at the tranny jokes, which were kinda funny but I wasn't in the mood for those.