The Voice 'The Voice' coaches Gwen Stefani and Blake Shelton lip-synch battle Jimmy Fallon 09/18/2014 "The Voice" coaches Gwen Stefani and Blake Shelton had an epic lip-synch battle Wednesday on "The Tonight Show." 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 Adam Levine Blake Shelton Gwen Stefani Ellie Goulding Jimmy Fallon Carly Rae Jepsen Pharrell Williams The Tonight Show
