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It's day four in Christie Brinkley and Peter Cook's divorce trial and ET was there as the estranged pair made their way into a Long Island, NY, courthouse. Christie, dressed in a light-colored frock and tan sweater, told the press today she was "feeling fine," today, while Peter, who arrived alone, kept quiet.

Dr. Stephen P. Herman, a forensic and clinical child and adult psychiatrist who has seen both Christie and Peter, as well as their kids, took the stand this morning. He testified that Peter's behavior could've been compulsive and that he would allegedly watch pornography every day, but said there was no evidence that he was a pedophile.

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