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E! News has obtained the divorce petition filed Sept. 25 in L.A. Superior Court by the Big Bang Theory actress after nearly 21 months of marriage. Cuoco cites "irreconcilable differences" as the reason for the split.
The court documents also list Sept. 3 as the date of separation and reveal that a prenuptial agreement was signed on Nov. 20, 2013; no details concerning what that agreement entails have been released.
Whatever the pair agreed upon before marriage will dictate Cuoco's spousal support payments to Sweeting and how they will divide their assets.