New This Weekend in Theatres: ‘50/50’, ‘Dream House’ and ‘What’s Your Number [VIDEOS]

A cheerier-than-it-sounds movie about cancer, a messes-with-your-mind horror/thriller, and a movie starring the always funny Anna Faris are your new choices this weekend in theatres.

50/50 (R) - Joseph Gordon-Levitt, Seth Rogen.
A cancer prognosis changes the lives of best friends. Inspired by a true story.
DREAM HOUSE (PG-13) - Naomi Watts, Daniel Craig, Rachel Weisz.
A big-city family moves to a small town and discovers their house was once a murder scene. Then he finds out his life with his wife and daughters might not even be real and that he was in a mental institution for supposedly killing them.
WHAT'S YOUR NUMBER? (R) Anna Faris, Aziz Ansari, Joel McHale, Andy Samberg
A girl looks for love by revisiting 20-years worth of ex-boyfriends. She vows to take another look at all her exes before sleeping with anyone else.