Watch Gwen Stefani perform 'Hollaback Girl' with Pharrell

gwenpharrell Gwen Stefani performed her 2005 hit Hollaback Girl on The Voice US last night (March 5). She was joined by Pharrell Williams, who co-wrote and produced the classic R&B track, which was released as the third single from Stefani's debut solo album Love. Angel. Music. Baby. and went to become a US chart-topper. Both Stefani and Williams will be joining The Voice US as coaches this Autumn for the show's seventh season, joining existing coaches Adam Levine and Blake Shelton. Meanwhile, last month (May) it was reported that Stefani was working on her third solo album - click here for further details. Stefani's last solo album, The Sweet Escape, was released in 2006 and in 2012 she reunited with No Doubt for a comeback album called Push and Shove. [youtube height="HEIGHT" width="WIDTH"][/youtube]   > Gwen Stefani working on third solo album? > Christina Aguilera confirms she is working on new album