The trailer for That Awkward Moment has hit the web, and this is a side of Zac Efron we've never seen before! From his butt cheeks to his acting, we're falling in love with the recently rehabbed star all over again.

The film, which was originally titled Are We Officially Dating?, stars three twentysomething men who make a pact to stay single as long as possible when one of them gets dumped. However, when two of the guys find the girls of their dreams, things get complicated.

Michael B. Jordan and Miles Teller also star in the film, which hits theaters on January 31, 2014 ... Click thru to see the trailer!