Johnny Galecki wished his ex-girlfriend and former costar Kaley Cuoco a belated happy birthday on Wednesday.The 46-year-old performer and his The Big Bang Theory castmate, 36, were seen in an intimate throwback snap, as Kaley adorably looked over to her ex.Revealing his personal nickname for the actress, Johnny captioned the snap: 'Happy belated 48th birthday to my / worldwide adored, Mooks.'Kaley turned 36 on Tuesday this week, and not 48, as Johnny joked in his cheeky caption.
Special occasion:Johnny Galecki wished his ex-girlfriend and former costar, Kaley Cuoco, a happy birthday on WednesdayGalecki and Cuoco initially met when they were both cast in the hit CBS sitcom The Big Bang Theory.The two remained friends for several years before.
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