Azzi and Osta met at ESMOD Beirut in 2004 before interning with Elie Saab. After graduation, they worked closely with Elie Saab for two years before they founded their brand in 2010. Celebrities spotted in their clothes include Queen Rania, Beyoncé, Kendall Jenner, Heidi Klum, Sonam Kapoor, and Sharon Stone. The brand’s collections are sold globally in Bahrain, China, France, Germany, Korea, Panama City, Singapore, the U.A.E., Saudi Arabia, Kuwait, Qatar, the U.S., Italy, and the U.K. The AZZI & OSTA Instagram account had 386,000 followers as of June 2024.