"[It's a] traditional wedding, [then] it's his 50th birthday and [then] it's New Year's Eve," de Lesseps revealed, according to E! News. "It's a destination wedding in Palm Beach. It's a three day affair. "
"I'm wearing three dresses. I wanted to wear, like, something traditional to walk down the aisle, because Tom has never been married, so I wanted to be his bride," she added. "Then for his birthday, I was maybe going to sing a little something for him. And then for New Year's Eve, I wanted to wear something really blingy and fun."
De Lesseps was previously married to Alexandre de Lesseps and shares two children, son Noel and daughter Victoria, with her ex-husband.
She confirmed in September that her engagement to D'Agostino is still on despite him kissing another woman.
"Yes, we did hit a little bump in the road," the star told Harvey. "I think when those things happens, it's a real test of people loving each other and getting past things that happen. I think that if you can't forgive someone you love, who can you forgive?"
"It's made us stronger than ever. I knew then and I know now that we do love each other. And that's the most important thing, so we're getting married," she said.
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De Lesseps previously told People that she's "not going to let a stupid kiss ruin the rest of [her] life."
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