Mario Singer's Former Mistress Now Dating Christie Brinkley's Cheating Ex Peter Cook
May 2 2018, Updated 4:58 p.m. ET
After former Real Housewives of New York star Mario Singer evicted his mistress Kasey Dexter from their Florida home in February, the other woman is getting revenge by moving on to another famous ex-husband! RadarOnline.com can exclusively reveal Dexter, who broke up reality star Ramona Singer's marriage, is now dating Christie Brinkley's ex Peter Cook.
"Kasey and Mario got back together after he evicted her, but then they broke up again," a source told RadarOnline.com. "Peter Cook reached out to her over Instagram and they began texting."
Cook, 59, invited Dexter, 36, to his East Hamptons home from Saturday, April 29 to Tuesday, May 1. "She went to make Mario jealous," the insider said. "They got into a huge fight and he kicked her out, so she agreed to stay with Peter for the weekend."
But Dexter's plan to make Singer jealous ended in her falling for Brinkley's cheating ex. "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."
Although 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."
As RadarOnline.com exclusively reported, Singer and Dexter split in January. He hit her with an eviction notice on January 26, 2018, court papers obtained from Palm Beach County Court revealed.
The Boca Raton Police Department was called three times to the home in response to domestic disturbances over the eviction. Singer cheated on his wife of 27 years with Dexter. Ramona filed for divorce from her husband in January 2014.
As for Cook, he cheated on Brinkley, 64, who he shares daughter Sailor and son Jack with, with teen mistress Diana Bianchi in 2005. The shocking affair became public when Brinkley left him in 2007.
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