This Friday, Anna Kendrick gets her Glee on (sort of) when she joins an all-girl college singing group in Pitch Perfect. Moviegoers will hear her sing, and sing well. Although she's on a tear as an actress with Twilight movies expanding her fanbase and Up In the Air garnering her Oscar attention, beneath the girl-next-door exterior lurks a Broadway star. No, really, she was on Broadway, and she was good.

Kendrick's not the only hot actress who's surprised audiences with her vocal chops. A solid list of other actresses have shocked the doubters with album-quality singing. Here are ten of them we never would have expected.