Kaley Cuoco's Sister Briana Auditions for 'The Voice' (Video)

Kaley Cuoco‘s younger sister Briana Cuoco rocked the stage on The Voice this evening with a performance of the song “You and I”!

The 27-year-old Big Bang Theory actress was in the green room with her parents and watched on the television monitors as Briana, 24, sang her heart out for the judges.

PHOTOS: Check out the latest pics of Kaley Cuoco

[SPOILER ALERT] Both Christina Aguilera and Cee Lo Green turned their chairs around. After some consideration, Briana decided to go with “girl power” and picked Team Christina.

WHAT DID YOU THINK of Briana Cuoco’s audition for The Voice?