Kaley Cuoco's Sister Briana Auditions On "The Voice" (VIDEO)

Kaley Cuoco's younger sister Briana auditioned on Monday's episode of "The Voice," performing Lady Gaga's song "You and I."

Briana, who works as Cuoco's personal assistant, got Christina Aguilera, 32, and Cee Lo Green, 39, to turn around in their chairs.

Cuoco, 27, and her family went completely nuts with Carson Daly, 40, backstage.

Aguilera told Briana she was impressed by her "raw talent," and claimed the aspiring singer made her really "happy."

Briana of course chose Team Christina.

Check out the video HERE.


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