(FILE) Bella Hadid Is the World's Most Beautiful Woman According to Science. Bella Hadid is the most beautiful woman in the world according to the 'Golden Ratio' equation devised in Ancient Greece. BROOKLYN, NEW YORK CITY, NEW YORK, USA - JUNE 03: Model Bella Hadid (Isabella Khair Hadid) wearing a Michael Kors dress, Gianvito Rossi shoes, and Lorraine Schwartz jewelry arrives at the 2019 CFDA Fashion Awards held at the Brooklyn Museum on June 3, 2019 in Brooklyn, New York City, New York, United States. 03 Jun 2019 Pictured: Bella Hadid, Isabella Khair Hadid. Photo credit: Xavier Collin/Image Press Agency/MEGA TheMegaAgency.com +1 888 505 6342