Watch Gwen Stefani go B-A-N-A-N-A-S on classroom instruments version of Hollaback Girl
The s-word was nowhere in sight, but Gwen Stefani still managed to perform a raucous version of "Hollaback Girl" on The Tonight Show Starring Jimmy Fallon on Nov. 26.Gwen took part in the show's popular "Classroom Instruments" segment, where stars... Read More.
