kaley cuoco
Kaley Cuoco/Instagram

Sources say the tension between the two of them was obviously and building for months.

They Big Bang Theory star and her tennis pro hubby got married on December 31st, 2013 and had signed a prenup agreement a month prior. According to documents they agreed upon spousal support and property assets in that agreement. They’ve listed the reason for their split as ‘irreconcilable differences’.

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(photos: https://instagram.com/kaleycuoco/)