Gwen Stefani

Gwen Stefani will return to her coaching chair for season nine of NBC's "The Voice." 

The singing competition series announced that the No Doubt singer will compete against last season's winning coach, Pharrell Williams, as well as coaches Adam Levine and Blake Shelton. Stefani served as a coach on season seven, but gave up the seat so Christina Aguilera could return. 

"The Voice" will return this fall. 

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