Luann de Lesseps (née Nadeau, previously D'Agostino; born May 17, 1965) is an American television personality, model, author, and singer. In 1993, she married French entrepreneur and aristocrat Count Alexandre de Lesseps; they divorced in 2009 but she retained the courtesy title "countess" until her remarriage in 2016. In 2008, de Lesseps came to prominence after being cast in the reality television series The Real Housewives of New York City, which documents the lives of several women residing in New York City.
Born LuAnn Nadeau, she was raised in Berlin, Connecticut, where she grew up with her six siblings, and where her father owned a construction company. She has said her father is of Algonquin and French descent and that her mother is French Canadian. In the last episode of RHONY set in Morocco Afton, (Season 4, episode 10, "Last Call, Morocco!", airdate June 9, 2011), de Lesseps shared that she had captained her high school varsity softball team.
De Lesseps was formerly a licensed practical nurse in Connecticut, as well as a Wilhelmina model.
Luann de Lesseps is one of the main cast members on Bravo's reality series, The Real Housewives of New York City. In season 6 she was demoted to a recurring "Friend of the Housewives" role due to not living in New York City at the time of filming. In April 2015, it was confirmed that de Lesseps would be returning as a main cast member for the show's seventh season.
In February 2011, de Lesseps guest starred on Law & Order: Special Victims Unit, in the episode "Bully", playing a socialite who makes a gruesome discovery.
De Lesseps wrote a book, Class with the Countess: How to Live with Elegance and Flair (published by Gotham Books) released April 16, 2009, and released her first record, "Money Can't Buy You Class" (through Ultra Records), on May 25, 2010. She released her second single, "Chic, C'est La Vie" in June 2011. She released a third single, "Girl Code", on July 6, 2015.
In February 2017, de Lesseps filmed a role in the movie Mother of All Secrets in Bermuda.
In 1993, Luann de Lesseps married Count Alexandre de Lesseps, becoming his fourth wife. Together, they have two children, Victoria and Noel. They divorced in 2009 after his alleged affair with Ethiopian Princess Kemeria Abajobir Abajifar. On December 31, 2016, de Lesseps married Tom D’Agostino Jr. In August 2017, de Lesseps announced she and D'Agostino were divorcing.
In December 2017, Luann de Lesseps was arrested in Palm Beach, Florida on charges of disorderly intoxication, resisting arrest, battery of an officer, and making threats against a public servant. She was later released on her own recognizance and is due back in court on January 25, 2018.