Kristin Cavallari will never forgive her father, Dennis Cavallari, who allegedly “crossed the line” with her children.

“A lot of stuff has gone on with my dad. He’s crossed the line with my kids, and those are dealbreakers for me,” the “Hills” star explained to Page Six Radio co-hosts Danny Murphy, Ian Mohr and Evan Real on Thursday.

Kristin — who shares sons Camden, 12, and Jaxon, 11, as well as daughter Saylor, 9 , with her ex-husband, Jay Cutler — went on to emphasize the importance of “accountability.”

“Like, if I hurt your feelings, and I come to you, you just want me to be like, ‘You know what? I am really sorry,'” she said.

“Not be like, ‘Well, here’s why I did it.’ I don’t want you to defend yourself; just tell me you’re sorry and acknowledge it. It’s really difficult for a

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