Just in Time for July 4! The Baby It's You Ladies Cover Katy Perry's 'Firework'

Those Baby It’s You gals love putting their spin on contemporary hits! After covering Cee Lo Green's “Forget You” and Rihanna's “Only Girl,” Broadway babes Crystal Starr, Christina Sajous, Erica Ash and Kyra Da Costa decided to try Katy Perry on for size, harmonizing on “Firework.” Click on for the latest backstage video from the Broadhurst Theatre, home of the the Great White Way's salute to the Shirelles, Baby It’s You.