The Voice Season 6 (USA) : Gwen Stefani And Pharrell Williams' Rocking 'Hollaback Girl' Performance
2014-05-07 267
The Voice Season 6 (USA) : Gwen Stefani And Pharrell Williams' Rocking 'Hollaback Girl' Performance. New coaches Gwen Stefani and Pharrell rocked 'The Voice' live performance show with their very own performance of their hit song, 'Hollaback Girl'.
