The Voice 'The Voice' coach Usher admits his "best mistake" in life 08/16/2014 The Voice coach Usher has revealed his "best mistake" and it may surprise people. Read More RELATED NEWS Christina Grimmie's family reaches out after Las Vegas shootingChristina Grimmie's family sues concert promoter and Orlando venue over her deathUsher gets star on the Hollywood Walk of Fame TAGS: The Voice Cee Lo Green Adam Levine Blake Shelton Gwen Stefani Usher Pharrell Williams
