'Big Bang Theory' star Kaley Cuoco's sister Briana Cuoco auditions for NBC's 'The Voice' (Video)

Kaley Cuoco is a big television star, but her sister is also talented. Briana Cuoco showed off her talents by auditioning on the hit NBC show The Voice.

During a promo clip on Monday night, Briana is seen talking to host Carson Daly with her famous sister. The three are discussing Briana going to the blind auditions to sing in front of judges Blake Shelton, Christina Aguilera, Cee Lo Green and Adam Levine.

Briana took to Twitter to thank everyone for the outpouring of support, even though her episode hasn’t even aired yet.

She also said, “..There are 5 nights of blind auditions - I do not know when my ep will air but it's comin :))”

Briana has been on Big Bang Theory before, guest-starring as the girlfriend and ex-friend of her sister Kaley’s character, Penny.

Emmy winner Jim Parsons joked to Access Hollywood, “We give Kaley a lot of hell, like ‘Oh so finally the world is going to see the really talented Cuoco!’ Which is not true. We just want to give her s**t!”

image: CBS

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