NBC
Cassadee Pope poses after winning the third season of "The Voice," on Dec. 18, 2012.
NBC
Nicholas David appears on the live finale of "The Voice," Dec. 18, 2012.
NBC
From left, Nicholas David, Carson Daly and Smokey Robinson on the live season finale of "The Voice," Dec. 18, 2012.
NBC
From left, former season three contestants Mackenzie Bourg, Julio Cesar, Dez Duron, Cody Belew and Diego Val perform on "The Voice," Dec. 18, 2012.
NBC
From left, finalists Terry McDermott, Cassadee Pope, Nicholas David wait for the results on the finale of "The Voice," Dec. 18, 2012.
NBC
From left, Cassadee Pope, Christina Milian, Christina Aguilera and Carson Daly on "The Voice."
NBC
Bruno Mars performs on the season finale of "The Voice."
NBC
From left, season three contenders Melanie Martinez, Cassadee Pope, Liz Davis and De'Borah perform on the season finale of "The Voice."
NBC
From left, Trevin Hunte, Nicholas David, Dez Duron and Amanda Brown on "The Voice."
NBC
From left, season three winner Cassadee Pope performs with Avril Lavigne on the finale of "The Voice," Dec. 18, 2012.
AP/NBC
Cassadee Pope, Blake Shelton pose after winning "The Voice," Dec. 18, 2012.
NBC
Terry McDermott and Cassadee Pope are seen here after learning the results of "The Voice."
NBC
Kelly Clarkson performs on the season finale of "The Voice."
NBC
Cassadee Pope won season three of "The Voice."
NBC
The Killers' Brandon Flowers performs on "The Voice" finale.
NBC
Rihanna performs on "The Voice" finale.
NBC
From left, Kelly Clarkson and Terry McDermott performs on "The Voice."
NBC
Melanie Martinez performs on the finale of "The Voice."