Happy World Sister's Day! World Sister's Day, which falls on the 6th of August, is a day where we can show some appreciation to our sisters. Today, we're celebrating the incredible bond shared by sisters all over the Arab world. Among these famous Arab sisters, some may be unfamiliar to you, but their accomplishments are truly awe-inspiring. Meet the Top Famous Sisters in the Arab WorldMona and Huda KattanThe American-Iraqi sisters, Mona & Huda Kattan, who have taken the beauty industry by storm with their remarkable empires.