Video: Kelly Clarkson joins coaches' panel for Season 14 of 'The Voice' <br />Don't forget subscribe my channel: <br />» Facebook: https://goo.gl/92520c <br /> <br />Grammy Award-winner Kelly Clarkson has signed on to serve as a coach for Season 14 of The Voice, NBC confirmed. <br />She will be joined by fellow mentors Blake Shelton and Adam Levine. A fourth coach will be named at a later date, the network said.
