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Christie Brinkley, Peter Cook

AP Photo/Mary Altaffer

You can't keep a good court battle down.

As if Christie Brinkley and Peter Cook weren't painfully familiar enough with the inside of a courtroom, the infamous exes appear to be heading for another legal face-off, thanks to a new allegation lobbed against the model by her ex-husband.

In papers submitted to New York State Supreme Court Tuesday, Cook asked a judge to hold Brinkley in contempt for allegedly failing to turn over 13-year-old son Jack's passport in a timely fashion, thus causing the boy to miss a planned school trip to Egypt.

But there's a rub: Cook was supposed to accompany his son on the November excursion, and claims he missed out on some prime father-son bonding time as a result of Brinkley's custody deal-breaching inaction.

"Jack missed the whole trip," Cook's lawyer, Steven Kuhn, tells Newsday. "Mr. Cook wishes that he didn't have to go to court."

Brinkley's lawyer, Peter Caronia, retorts that Cook's claims are "baseless and really rather petty."

Brinkley has until Feb. 17 to file a written response to the accusation.