Stevie Nicks is joining Team Adam on The Voice . News has confirmed Nicks will serve as an adviser to coach Adam Levine when the singing competition series returns for season seven on NBC. Nicks previously performed with the first season winner,Javier Colon , on the season finale. The Associated Press first reported Nicks' involvement with The Voice. Other advisers will be announced soon. Blake Shelton, Pharrell Williams and Gwen Stefani join Levine in the big red chairs for season seven.