Mouhieddine founded Lili Blanc as a luxury affordable ready-to-wear fashion brand in 2020. Her collections are sold across four retail stores at Harvey Nichols in Qatar, Avanti, and Juman Fashion in Saudi Arabia, and at Silhouette in the U.A.E. Celebrities spotted in Lili Blanc include Zeina Makki, Farhana Bodi, Balqees Fathi, Samira Said and Elissa.