Celebrity Watch the New Music Video for Ester Dean's 'Crazy Youngsters' Featuring the 'Pitch Perfect 2' Cast The songwriter released a music video for her new song, which will be featured in the upcoming sequel to everybody's favorite a cappella movie By Andrea Park Published on May 11, 2015 03:55 PM Share Tweet Pin Email It’s not a cappella, but it’s still aca-awesome! Ester Dean released a music video on Sunday for her song “Crazy Youngsters,” which will be featured on the soundtrack for the upcoming Pitch Perfect 2. The video for the high-energy pop song features several members of the Pitch Perfect 2 cast, including Anna Camp, Brittany Snow and Flula, who will be playing the leader of a German a cappella group in the film. RELATED VIDEO: Brittany Snow Promises Pitch Perfect 2 Will Be ‘Bigger and Badder’ Not only did Dean, 29, who stars as Cynthia-Rose Adams in both Pitch Perfect movies, write “Crazy Youngsters,” but she has also written or co-written many other hit songs for artists such as Britney Spears, Rihanna, Beyoncé and Katy Perry. After co-writing Nicki Minaj‘s “Super Bass,” Dean opened for Minaj on the first European leg of The Pinkprint Tour. Pitch Perfect 2 hits theaters Friday.