She began her career as a model when she was 15 years old and has been featured on the covers of leading European fashion magazine Teuta as well as the last two years of runway presentations at New York Fashion Week. This confirmed her place in the Mission Universe pageant held in December 2012 in Las Vegas. She now resides in the United States where she works as model for Sherri Hill.
Avdiu won the Mission Universe Kosovo competition on June 21, 2012, becoming the fifth representative of Kosovo at Mission Universe since its independence. A pre-pageant favorite for the Mission Universe title, Avdiu won the Mission Photogenic Universe 2012 award for being the most photogenic contestant and became the fourth Mission Kosovo to enter the semifinals of the contest. In 2013, she crowned both Antigona Sejdiu and Mirjeta Shala as Kosovo"s representatives to the Mission World and Mission Universe pageants, respectively, following a split in the domestic organization.
