Gwen Stefani is Blake Shelton's voice advisor
Singer Gwen Stefani will be country star Blake Shelton's voice advisor on "The Voice".
She will be back on the singing competition show as the advisor for the country singer's team.
"We know we collaborate well together as coaches, so of course I would have her as my mentor, and she's so smart and talented!" Shelton told people.com.
Stefani's new role is a change for the stars, who have competed against each other twice as coaches on the show.