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Peter Cook Slams Ex-Wife Christie Brinkley To New Girlfriend: ‘She Is The Worst!’

Christie Brinkley still has bad blood with her ex-husband Peter Cook ten years after their divorce. can exclusively reveal the former supermodel’s ex-husband has been bad-mouthing her to his new girlfriend Kasey Dexter.

“He told Kasey that she is the worst person,” a source told “He has no contact with her today.”

The insider added how she often would comment on her daughter Alexa Ray Joel’s weight when she was younger.

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“Christie was horrible to Alexa,” the insider said of Brinkley and singer Billy Joel’s 32-year-old daughter. “She used to make fun of her weight when she was younger.”

The source continued that Brinkley and Cook’s daughter Sailor, 19, “doesn’t want to live with her mother in the city.”

Cook, 59, who also shares son Jack, 22, with Brinkley, cheated on her with teen mistress Diana Bianchi, who was 18 at the time, in 2005. The shocking affair became public when Brinkley left him in 2007.

As previously reported, Cook reached out to Dexter, who broke Singer’s marriage to Real Housewives of New York star Ramona, over Instagram. After texting, he invited the 36-year-old to his East Hampton home from Saturday, April 29 to Tuesday, May 1.

“She went to make Mario jealous,” the insider told “They got into a huge fight and he kicked her out, so she agreed to stay with Peter for the weekend.”

Christie Brinkley
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But Dexter ended up falling for Cook.

She feels like she loves him, they clicked,” the source said. “All he did was tell her she’s beautiful. They spent the weekend having cocktails and doing activities together.”

While Singer has been “begging for her back” she hopes to move on with Cook.

“She would date him seriously,” the source said. “They have a lot in common. He told her he’s falling for her too. He doesn’t want her to contact Mario when she returns to Florida.”

Are you surprised Brinkley and Cook are still on the outs? Tell us in the comments.

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