Kaley Cuoco's Sister Briana Makes A Big Bang On 'The Voice'

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Oct. 1 2013, Updated 9:18 a.m. ET

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Briana Cuoco, the sister of Big Bang Theory beauty Kaley Cuoco, successfully auditioned on Monday's edition of NBC's The Voice as her sister watched from backstage, we've got all the details for you right here on RadarOnline.com.

Briana took on Lady Gaga's "You and I", impressing judges CeeLo Green and Christina Aguilera, who both turned their chairs around at the rousing performance.

Xtina commended Briana for holding her "notes really, really strong," adding that her interpretation of the Gaga ballad "made her really happy."

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Cee Lo chimed in, "Being with a powerful woman is one of my favorite places to be."

Citing "girl power," Briana, 24, chose Christina as her coach while Kaley, 27, celebrated with the rest of the family.

The Voice airs Mondays at 8/7c on NBC.

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