'Pitch Perfect' Stars Reuniting to Open MTV's Movie Awards

The stars of the film "Pitch Perfect" will open the 2013 MTV Movie Awards in their first-ever live performance on April 14.

"Pitch Perfect" stars Skylar Astin, Anna Camp, Ester Dean, Adam Devine, Alexis Knapp, Hana Mae Lee, Ben Platt, Brittany Snow and host Rebel Wilson will re-unite as the dueling college a cappella groups, the Barden Bellas and Treblemakers. They will perform a mash-up of songs conceived and executed by the film's director, Jason Moore.

The soundtrack to "Pitch Perfect" has been a surprise hit, selling 622,000 copies, according to Soundscan. A single, "Cups (Pitch Perfect's When I'm Gone)" by actress Anna Kendrick, was sent to radio on March 26 and has immediately seen its airplay rise; it is expected to reach the Pop Songs Airplay chart within the next few weeks.

Meanwhile, the new single climbs seven spots to No. 81 on the Hot 100. Collectively, all versions of the song have sold 584,000 downloads.

The film is nominated for four MTV Movie Awards this year: Best Female and BestBreakthrough Performances (Rebel Wilson); Best Musical Moment (Anna Kendrick, Rebel Wilson, Anna Camp, Brittany Snow, Alexis Knapp, Ester Dean and Hana Mae Lee); and Best WTF Moment (Anna Camp Hack-Appella).

"Pitch Perfect's" Wilson will host the 22nd edition of the awards. Will Ferrell and Emma Watson will receive honorary awards.

In addition, Macklemore & Ryan Lewis will perform their new single, "Can't Hold Us."