"It's hard to invite people that tried to do you harm," de Lesseps told People of inviting Frankel to her wedding.
Perhaps presenting de Lesseps with evidence of D'Agostino, Jr.'s infidelity was the wrong decision for Frankel. The pictures – which showed D'Agostino, Jr. kissing a former Playboy model at New York's Regency Hotel the day before his engagement party – caused an emotional scene during the Housewives' Florida vacation.
"It was disgusting," de Lesseps says of Frankel's actions. "Her handling of the situation – and I go over this at the reunion – was terrible."
For de Lesseps, Frankel crossed the line when she shared the news with Ramona Singer and Carole Radziwill before coming to the Countess directly – something she calls "the most brutal thing to do."
"[They] don't have my back," she says. "She could have went to Dorinda, who introduced us, and said 'Look I have this.' [But] she was like the cat who got the canary. Does a good friend do that to you? Someone who has your best interest in mind? No."
"It's not authentic," she continued. "It's made for television. And that's what she is."
Photo Credit: Bravo