Kaley Cuoco and Ryan Sweeting's 'daily' fights

Kaley Cuoco and Ryan Sweeting had "screaming fights daily" before their split. The 'Big Bang Theory' actress recently announced she is divorcing the professional tennis player after 22 months of marriage, but friends aren't surprised as they claim "she's hot headed and argumentative" behind closed doors. A source close to the blonde beauty said: "She may seem like America's sweetheart, but it's actually quite the opposite. She can be a real nightmare at times and incredibly difficult to deal with. "She's always been very moody and gets mad at everything. It's affected almost every relationship she's ever been in. These last couple of months have been brutal and extremely tense. Ryan and Kaley were having screaming fights daily - it really just got to be too much." The pair tied the knot on December 31, 2013, after dating for just six months and the blonde beauty's inner circle are relieved she finally decided to end their relationship. The insider explained to InTouch Weekly magazine: "When it comes down to it, neither one of perfect and they jumped into marriage way too quickly. They were doomed from the start."