The Voice 'The Voice' coaches advance eight artists as "Knockout Round" kicks off 10/27/2015 The Voice coaches advanced eight artists with the commencement of its "Knockout Round" during Monday night's Season 9 broadcast on NBC. Read More RELATED NEWS Gwen Stefani: My divorce from Gavin Rossdale was "embarrassing"Gavin Rossdale ready "to move on" after Gwen Stefani divorceGwen Stefani raps in preview for upcoming 'Kuu Kuu Harajuku' Nickelodeon series TAGS: The Voice Adam Levine Blake Shelton Gwen Stefani Rihanna Michael Buble Pharrell Williams