The Voice Coaches Open Up About Their Tight Bond — and Gwen Reveals Why She's Jealous of Adam (Hint: It Involves Blake Shelton)

Blake Shelton, Adam Levine, Gwen Stefani and Alicia Keys open up about their close friendships on set of NBC's hit singing ...
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Gwen Stefani returning to season 12 of 'The Voice'

Three-time Grammy Award winner Gwen Stefani will return as a coach for season 12 of NBC’s “The Voice” along with Alicia Keys, Adam Levine and Blake Shelton. NBC announced the decision for the ...