Gigi and Bella also have two older half-sisters from their father's first marriage, Marielle and Alana Hadid. In July 2023, the family got together to celebrate Alana's 40th birthday in Los Angeles. From their parents to their newfound sister, here's everything to know about Gigi Hadid and Bella Hadid's family.

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 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.