The 'Real Housewives of New York' star Ramona Singer has allegedly thrown her husband Mario Singer out after she discovered that he was once more cheating on her with his mistress Kasey Dexter.

Mario Singer swore before that his relationship with Kasey Dexter was over. Ramona Singer took her husband back in March after filing a divorce in January, deciding to focus on patching matters up with him.

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However, photos of Mario Singer and Kasey Dexter obtained by a media outlet recently, contradicts the star's husband's previous statement. Ramona Singer allegedly found out that Mario Singer was cheating on her again with the same woman and sources say that the reality-star threw him out in late July.

The 60-year old Mario Singer didn't seem bothered by it though as he was spotted with the 32-year old socialite in Montauk on Long Island. The two were said to have been kissing each other in July 27, strolling hand-in-hand.

The two were photographed on August 2 while eating brunch at Anassa Taverna in New York.

On that same day, Ramona Singer also changed her Facebook cover photo from a family picture with her husband to a photo she took with her 19-year old daughter Avery.

An insider told a publication that Mario made a fool out of the reality star again. Their marriage had been on the rocks after allegations of infidelity on the part of Mario Singer surfaced.

A recent report says that Ramon Singer's attorney has even sent Kasey Dexter a cease and desist letter, warning the socialite not to contact the couple in any way.

Other reports said that Ramona Singer told her lawyer to deter Kasey Dexter with jail time after the mistress sent salacious and lascivious messages to the star.

The star has remained silent about her marriage during the second part of the 'Real Housewives of New York' reunion special last Tuesday, claiming that her family is great.

TagsRamona Singer, Mario Singer, Kasey Dexter, the real housewives of new york city, cheating, Mistress