Zac Efron shows off his sexy muscles in the brand new trailer for Neighbors.
Warning, the trailer is a red band trailer so it contains MATURE content!
Seth Rogen, Zac Efron and Rose Byrne lead the cast of Neighbors, a comedy about a young couple suffering from arrested development who are forced to live next to a fraternity house after the birth of their newborn baby.
Neighbors opens May 9, 2014.
