Cuoco's (Penny) sister, Bri, choreographed the cast's surprise flash mob to "Call Me Maybe" -- and it earned her a job on two of co-creator Chuck Lorre's shows.
Bri Cuoco played the woman who earns a marriage proposal in the background of Big Bang's recent Valentine's Day episode and choreographed a scene with 50 dancers on Two and a Half Men.
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Things You Didn't Know About The Big Bang Theory
FanficHere are some mind-blowing facts that you probably didn't know about The Big Bang Theory.
