Lifestyle Health Celebrity Health Luann de Lesseps Is 'Taking Steps to Make Sure' to Maintain Her Sobriety After 'Tipsy' Bar Incident Luann de Lesseps "made a mistake and fell off the wagon," a source tells PEOPLE after the Real Housewives of New York City star's recent misstep By Dory Jackson Dory Jackson Dory Jackson is a Staff Editor for PEOPLE's TV News team. Upon joining the brand in March 2021, she has had the opportunity to interview a long list of celebrities, from Kate Hudson to Pierce Brosnan to Billy Porter. She has also helped recap popular TV shows like 'The Real Housewives of Beverly Hills,' 'Sister Wives' and 'Vanderpump Rules.' The New York-based Maryland native graduated from Randolph-Macon College in May 2016 with a focus on Communication Studies and Journalism. She came to PEOPLE in March 2021 after working at a number of major news companies, including Newsweek and Us Weekly. People Editorial Guidelines and Charlotte Triggs Charlotte Triggs Charlotte Triggs is a digital leader and veteran journalist with nearly 20 years experience working in celebrity and general interest news. She is currently General Manager for PEOPLE Digital. People Editorial Guidelines Published on March 18, 2022 11:42AM EDT Comments Photo: Gregory Pace/Shutterstock Luann de Lesseps is taking the necessary strides to get back on track in her sobriety journey after a recent misstep. On Thursday, reports indicated that the Real Housewives of New York City star, 56, made a scene while at The Townhouse of New York. She had taken the mic in the piano room and sang a series of songs to fellow patrons. The reality star was not sober at the time. "Luann works very hard to maintain a healthy lifestyle," a source tells PEOPLE. "But she made a mistake and fell off the wagon." The source notes that de Lesseps is "using this experience as a valuable lesson" going forward. "She will be taking steps to make sure it doesn't happen again," the source adds. Luann de Lesseps on a Potential RHONY Cast Shakeup: 'I Can't See Any Reason' Why I Wouldn't Return Addressing the piano bar incident, de Lesseps told Page Six she was "in a celebratory mood and drinking champagne" with Broadway producers over dinner after rehearsing for her upcoming cabaret show. She ventured to The Townhouse of New York with Tony Award-winning Kinky Boots producer Jim Kierstead later that night. While there, de Lesseps said Kierstead suggested she sing some songs since "there were a bunch of people singing and it was a fun, boisterous crowd." Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. "I got up and sang a few Broadway songs they were playing," she told the news outlet. "I realize I was a little bit tipsy, but we were having fun, and it was getting late. I'd been rehearsing, and I was in the mood to sing a few songs. Then Jim said to me, 'Lu, I have an early rehearsal,' and then we left around midnight, 11:30 p.m." De Lesseps has publicly struggled with her sobriety for years. The issue first came to light in 2017 when she was arrested for battery, trespassing and disorderly intoxication. Shortly after, she voluntarily entered an alcohol treatment center. Manny Carabel/Getty Images She returned to rehab in 2018 but continued consuming alcohol the following year after completing her probation requirements. She then quit drinking amid the COVID-19 pandemic, leading to the creation of her non-alcoholic Fosé Rosé brand. Last November, de Lesseps told PEOPLE she was "in a great place" with her sobriety. "My daughter is one of my biggest supporters. I have a lot of friends and my family. It's been an incredible journey," she said at the time. "I've grown so much, and I feel like I'm finally in a great place. It's day by day. That's all we can do, right?" If you or someone you know is struggling with substance abuse, please contact the SAMHSA helpline at 1-800-662-HELP.