Ciao, Bella: The Most Beautiful Women According To Science

With help from the golden ratio, Bella Hadid tops the beauty charts, followed closely by Beyonce, Amber Heard, and Ariana Grande

It's a fact: supermodel Bella Hadid is the most beautiful woman in the world. At least according to mathematics, the golden ratio to be specific. The Golden Ratio of Beauty Phi is a measure of physical perfection, adapted from the formula that artists and architects used during the Renaissance to map out their masterpieces. Developed by scientists trying to figure out why some people are considered more beautiful than others, the ratio is applied to measurements of facial proportions in order to quantify so-called classic beauty. The higher the percentage, the greater the beauty. With that in mind, take a look at the 10 most beautiful celebrities of the year.

10. Cara Delevingne: 89.99% Golden Ratio score

9. Katy Perry: 90.08% Golden Ratio score

8. Natalie Portman: 90.51% Golden Ratio score

7. Scarlett Johansson: 90.91% Golden Ratio score

6. Kate Moss: 91.05% Golden Ratio score

5. Taylor Swift: 91.64% Golden Ratio score

4. Ariana Grande: 91.81% Golden Ratio score

3. Amber Heard: 91.85% Golden Ratio score

2. Beyonce: 92.44% Golden Ratio score

1. Bella Hadid: 94.35% Golden Ratio score