Gwen Stefani stepped into a time machine with Jimmy Fallon and the Roots on The Tonight Show to perform her 2005 hit "Hollaback Girl." Using a banana as a microphone, The Voice host sang the foot ...

Gwen Stefani and Pharrell have frequently collaborated with each other, so much so that Pharrell even helped make Stefani’s terrible dream come true. As many times as they’ve worked together, however, ...

Before ending with "Hollaback Girl," Stefani brought her set to a triumphant climax with the three songs that launched her career as the voice of No Doubt — an emotional reading of “Don’t ...