Real Housewives of Orange County star Tamra Judge is ready for a fight, but this time, it's not with any of her costars.

In court documents obtained by Radar Online, the 47-year-old alleges that her ex-husband Simon Barney, with whom she has three kids, is in contempt of court after failing to complete a class per their initial custody agreement.

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Tamra and her daughters Sidney and Sophia.

Tamra, who relinquished sole custody of their 16-year-old daughter Sidney to the consultant, explains that a therapist directed the former couple and Sidney to take a class entitled "Overcoming Barriers."

But when the reality star reached out to her ex to confirm that he was participating, she claims he refused to cooperate.

Simon responds to the allegations in the paperwork, stating that Sidney suffered extreme anxiety due to living with her mother and dealt with ridicule at school related to Tamra's fame.

These revelations come just days after Tamra was seen running around topless at a resort in Tahiti on an episode of the Real Housewives. A hearing is set for Aug. 28 to resolve the issues.