‘I Can’t Do This Anymore!’ Luann Reveals The Moment She Knew Her Marriage Was Over

Luann de Lesseps is finally telling all about her short-lived marriage to Tom D’Agostino, and RadarOnline.com has all the details!

The Real Housewives of New York star, 52, sat down with Andy Cohen at her Sag Harbor home, and no topic was off-limits during their dramatic interview.

“Was there any one event that led to the filing?” Cohen asked her in a preview clip.

“It was like the weekend before the reunion basically,” the mom-of-two explained. “Tom went out and he called up an old girlfriend and they met up with a group of people and I didn’t know about it. I found out about it the next day in the press. So that for me was like the final straw. I was like, ‘I can’t do this anymore.’”

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Then, Cohen pressed about the allegations that she slapped D’Agostino, 50, at a restaurant.

“I didn’t slap him,” she insisted. “What I did was grab his face and it was in the heat of the moment and you know I was hurt about something so I just, you know, I wanted his attention.”

RadarOnline.com exclusively reported that she participated in a secret photoshoot and interview just last week.

De Lesseps and D’Agostino tied the knot in a lavish New Year’s Eve wedding, but filed for divorce just eight months later. Their relationship was plagued with infidelity, as D’Agostino cheated on de Lesseps just hours before their engagement party in Palm Beach, Fla.