Two of my favorites are joining forces: Pitch Perfect and Pentatonix. It was revealed to EW that vocal group, Pentatonix would be joining the cast of the upcoming Pitch Perfect 2 movie. Rejoice, aca-nerds! The group is set to play a rival group to the Barden Bellas and have already filmed their part. This sequel is going to be aca-awesome. Too bad we will all have to wait until 2015 to see it.