Kaley Cuoco and Johnny Galecki

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The Big Bang Theory, Kaley Cuoco and Johnny Galecki discuss their off-screen relationship in depth for the first time.

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Big Bang Theory

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The former co-stars, who dated in real life from 2008 to 2010, were “crushing on each other”

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The 36-year-old actress started dating 'Big Bang Theory co-star Johnny, 47, around the time their fictional counterparts on the hit sitcom

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Actress Kaley Cuoco, who played Penny in the sitcom 'The Big Bang Theory', had to keep her relationship with Johnny Galecki

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The pair would eventually break up in real life and Kaley - who went on to marry Karl Cook in 2018 before divorcing him in 2021

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