Kaley Cuoco's Sister Briana Scores a Blind Audition for “The Voice”

Talk about a talented family! Fans of CBS' "The Big Bang Theory" have been familiar with Kaley Cuoco's work for years, but on Monday, Sept. 23, it was her sister who made a memorable TV appearance.

During the season premiere of NBC's "The Voice," host Carson Daly told Briana Cuoco that she would be auditioning for judges Christina Aguilera, CeeLo Green, Blake Shelton and Adam Levine. Kaley, 27, beamed with pride as her younger sibling got the good news.

Briana may not be a household name like her sister, but she has been involved with several hit TV shows over the years, including CBS' "The Mentalist" and HBO's "The Newsroom." She also appeared in a 2013 episode of "The Big Bang Theory," where she befriended the cast and choreographed a flash mob as a surprise for the show's creators.

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"She is a great a lot of things," Emmy winner Jim Parsons tells Access Hollywood of Briana. "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!"

Costar Mayim Bialik adds, "She has a beautiful voice. She is phenomenal. She's very, very talented."

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Briana is overwhelmed by the support she's received so far. "Wow wasn't at my phone all afternoon and seeing everyone's support for #thevoice when I get back is incredible!!! THANK YOU," she tweeted. "...There are 5 nights of blind auditions - I do not know when my ep will air but it's comin."

(E! and NBC are part of the NBCUniversal family.)

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