Aydan was born after a brief relationship between Mohamed Hadid and her mother, Terri Hatfield Dull On May 29, Gigi and Bella Hadid announced in a statement to the Daily Mail that they have a 23-year-old half-sister,

Supermodel siblings Gigi and Bella Hadid have revealed they have a previously unknown half-sister. Aydan Nix, 23, is the daughter of their father, Mohamed Hadid. She was born after he had a brief relationship with Terri Hatfield Dull,

In a statement shared with Daily Mail on May 30, Gigi and Bella Hadid revealed that they recently discovered that they have a younger half-sister: Aydan Nix, a 23-year-old recent college graduate living in New York City.