Chart-topping artists perform and collaborate with the top 4 finalists and fan-favorite contestants return. Carson Daly reveals who America has chosen to be the winner.
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
.
