Pop singing beauty Gwen Stefani, and chart-topping producer genius Pharrell Williams, will be a coaches on the next season of The Voice replacing a pregnant Christina Aguuilera and Cee-Lo Green. To celebrate Gwen performed her Neptunes produced smash “Hollaback Girl” from her début solo album, Love. Angel. Music. Baby., released back in 2004.
Gwen Stefani & Pharrell Williams Perform “Hollaback Girl” On The Voice