Fashion designer Tawil founded her label MAISON KAROLINE LANG with a flagship store in Avenue Montaigne, Paris. Today, she works from her studio in Beirut, Lebanon. MAISON KAROLINE LANG had nearly 50,000 followers on Instagram as of June 2023. The brand has been worn by celebrities such as Nancy Ajram, Nour Arida, Razane Jammal, and Nadine Labaki.