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Gwen Stefani, Jimmy Fallon and The Roots sang 'Hollaback Girl' on classroom instruments during the Nov. 26 episode of 'The ...

Gwen Stefani's heavily criticized performance of a song from her new album follows the star's discussion about how the track ...

Gwen Stefani's "Hollaback Girl" is a sassy spelling lesson, so it's fitting that she'd finally take it into the classroom. In ...

It's been almost two years since the 'jellyfish' haircut swam onto the beauty scene (soz) and just short of 11 months since ...

The Voice coach Gwen Stefani had a tough decision to make Tuesday during the first night of the Playoffs.

Gwen Stefani stepped into a time machine with Jimmy Fallon and the Roots on The Tonight Show to perform her 2005 hit ...

The singer revisited the iconic hit from her 2004 debut solo album on Tuesday night's (Nov. 26) "Tonight Show." ...

Gwen Stefani ain't no hollaback girl. On Tuesday, Nov. 26, the "Cool" singer, Jimmy Fallon and The Roots jammed out to her 2004 hit song "Hollaback Girl" on classroom instruments — and it was ...

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 ...

With Fallon pounding on a drum and shaking tinsel-decked percussion instruments, Stefani sang the beat-heavy “Hollaback Girl” into a banana-shaped shaker as the veteran hip-hip group buzzed on ...

The singer released her fourth solo studio album 'Bouquet' earlier this month Todd Owyoung/NBC via Getty Jimmy Fallon, Gwen Stefani and The Roots on 'The Tonight Show Starring Jimmy Fallon' Gwen ...