The battle rounds begin and the coaches enlist the help of top recording artists to offer their knowledge and skills as advisers. Blake Shelton teams up with Rascal Flatts, Adam Levine with Joe Jonas, Jennifer Hudson with Kelly Rowland, and Miley Cyrus with her father, Billy Ray Cyrus.
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
.