Season 12 of the Voice USA premiered on NBC on February 27, 2017 and ended on May 23, 2017. Carson Daly returned as the host with Adam Levine, Blake Shelton, and Alicia Keys returning as coaches. They were joined by Gwen Stefani, who returned after taking both season 10 and season 11 off to promote her album, This Is What the Truth Feels Like. This season was the first to have a guest advisor during the top 12 instead of the Knockout rounds. The guest advisor for this season was country-pop megastar Shania Twain.