What actress appeared on "The Sing-Off" before her role in the film directed and co-produced by Elizabeth Banks?
Pitch Perfect 2:  The film features an ensemble cast, including Anna Kendrick, Rebel Wilson, Hailee Steinfeld, Brittany Snow, Alexis Knapp, Hana Mae Lee, Ester Dean, Chrissie Fit, Kelley Jakle and Shelley Regner as The Bellas.
i don't know