NBC's "The Voice" Episode 321B

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THE VOICE -- 'Live Show' Episode 321B -- Pictured: Christina... News Photo2012,Arts Culture and Entertainment,Blake Shelton,California,Celebrities,Choice,Christina Aguilera,City Of Los Angeles,Horizontal,Live Event,Portrait,Reality TV,Season 3,Television Show,USA,VoicePhotographer Collection: NBCUniversal 2012 NBCUniversal Media, LLCTHE VOICE -- 'Live Show' Episode 321B -- Pictured: (l-r) Christina Aguilera, Blake Shelton -- (Photo by: Trae Patton/NBC/NBCU Photo Bank via Getty Images)