'Real Housewives of New York' star LuAnn de Lesseps marries Tom D'Agostino in New Year's Eve ceremony

Congratulations to LuAnn de Lesseps!

The Real Housewives of New York star said "I do" to Tom D'Agostino in a Palm Beach, Florida, ceremony on New Year's Eve,People confirms.

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The two married at the Brazilian Court Hotel in Palm Beach, Florida, where guests -- including RHONY star Dorinda Medley (who was a bridesmaid), Jill Zarin, Marysol Patton, Cynthia Bailey and Kelly Bensimon -- watched them say "I do" before ringing in the New Year.

This is the second marriage for de Lesseps, who got engaged to D'Agostino in February. She was previously married to entrepreneur Count Alexandre de Lesseps from 1993 to 2009, with whom she shares two children.

De Lesseps couldn't help but share her excitement on social media in the days leading up to the wedding.

"Soon going from Mrs. DeLesseps to Mrs. D'Agostino Thank you @marysolpatton for the cute purse xo," she captioned one snap of a clutch reading "Mrs D" on Friday.

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On Thursday, the Countess was joined by her family for a little pre-wedding pampering.

"Getting #pampered 💜3 generations #mom #daughter #weddingcountdown xo," she wrote alongside the sweet shot.

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ET sat down with the 51-year-old reality star in an exclusive interview at her home in the Hamptons in August, where she revealed just how excited she was to tie the knot, even after she discovered that D'Agostino had kissed another woman at a hotel bar just days before proposing.

"We love each other," she shared. "I always say if you can't forgive the people you love, then who can you forgive? ... I'm not going to let a silly kiss ruin the rest of our lives."

"I think it was a silly move and something that he feels really terrible about, and that meant really nothing to him," she said, adding that she was looking forward to her nuptials on New Year's Eve, which also happened to be D'Agostino's 50th birthday.

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In April, de Lesseps told ET that she was going above and beyond in the dress department for her big day.

"You know what, it's threefold. It's Tom's birthday, he's going to be 50, it's our wedding, and it's New Year's Eve, so I feel like I should change it up, so I'm going to do three different dresses," she revealed. " Why not? For my big night, why not have three different dresses?"

See more of the couple below: