 In his "Blind Audition," he performed an acoustic cover of Kanye West's's "Heartless," which caused Adam Levine and Gwen Stefani to press their "I Want You" buttons and turn their chairs.Williams chose Gwen Stefani as his coach.In the Battle rounds, he defeated fellow Team Gwen member Amanda Lee Peers, dueting Dolly Parton's "Jolene," and advanced to the Knockout rounds.