Sisters Gigi Hadid and Bella Hadid revealed they have a half-sister named Aydan Nix, the siblings said in a statement to the Daily Mail. Newsweek reached out to Gigi Hadid and Bella Hadid's representatives via email for comment.

Gigi and Bella have several other siblings, including brother Anwar Hadid, Mohamed and Yolanda's youngest child. They also have two older half-sisters — Marielle and Alana Hadid — who Mohamed welcomed with his first wife, Mary Butler.

Gigi and Bella Hadid’s secret half-sister has been revealed. Aydan Nix, 23, is a fashion designer, stylist and aspiring influencer who bears a strong resemblance to the models.