Carter Rubin shares what it's like to have Gwen Stefani as a coach on "The Voice".
Plus, the 15-year-old singer talks about having the support of his family throughout the competition.
Gwen Stefani & Carter Rubin React To Winning 'The Voice' S19
ETCanada
Season 19 of "The Voice" was unlike anything we've ever seen before. After weeks of jaw-dropping performances and strict..
