In the season premiere, the competition is fierce, the talent is exceptional and the surprises abound as coaches Kelly Clarkson, Alicia Keys, Adam Levine, and Blake Shelton all vie to discover and coach the next singing phenomenon from the country's best vocalists. Adding another layer of excitement this season is the introduction of the "block" where the Coaches have an opportunity to block a fellow coach from recruiting the artist on their team.
Elenco: Carson Daly , Blake Shelton , Adam Levine , Christina Aguilera , Gwen Stefani , Kelly Clarkson , Cee Lo Green , Pharrell Williams , Alicia Keys , Jennifer Hudson , Usher , Shakira , John Legend , Miley Cyrus , Nick Jonas .