The Voice Season 7 Episode 7 : The Battles Premiere

The battle rounds begin and the coaches enlist the help of the music industry's top recording artists to offer their knowledge and skills as advisers. Adam Levine teams up with Stevie Nicks, Blake Shelton with Little Big Town, Pharrell Williams with Alicia Keys and Gwen Stefani with husband Gavin Rossdale. In this phase, the coaches pit two of their own team members against each other in a dueling duet. After the vocal face-off, each coach must c...