Who Is Aydan Nix? Gigi and Bella Hadid Reveal Long-Lost Sister in Family Bombshell

May 30, 2025: In a stunning revelation that has taken the fashion world by surprise, Aydan Nix, a 23-year-old fashion designer and stylist, has been confirmed as the secret half-sister of supermodels Gigi and Bella Hadid.

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Nix is the daughter of real estate mogul Mohamed Hadid and Terri Hatfield Dull, a former mortgage loan originator with whom Hadid had a brief romance following his 2001 divorce from Yolanda Hadid. According to a statement issued by Gigi and Bella to the Daily Mail, their father was single at the time of the relationship, which led to an unexpected pregnancy.

“Over 20 years ago, our dad, while single, had a brief relationship that led to a pregnancy,” the Hadid sisters shared. “Aydan was born and raised in Florida, growing up with the man she lovingly knew as her father until his sudden passing when she was 19.”

A Surprise DNA Connection

The revelation came after Aydan, who was unaware of her true paternity, took a genetic test out of curiosity, leading to the discovery of her biological link to Gigi and Bella. The trio reportedly connected for the first time in late 2023, and since then, Gigi and Bella have “embraced Aydan with open arms.”

“We’ve cherished this unexpected and beautiful addition to our family,” they added. “As siblings, we’ve had many open and loving conversations — with Aydan included — about how to support and protect her.”

Who Is Aydan Nix?

A recent graduate of Parsons School of Design, Aydan is carving her own path in the fashion world. She’s already made her mark as an aspiring influencer, stylist, and designer, having interned with well-known industry names and worked at a vintage clothing boutique in Manhattan.

Raised in Florida, Aydan was an honor student and cheerleader at a prestigious prep school. She also delivered pizzas during summer breaks to support herself. Her biological father, Mohamed Hadid, reportedly has a cordial relationship with her but has not provided financial support, according to Daily Mail sources.

While Mohamed has yet to publicly acknowledge Aydan, she has spent time with all the Hadid siblings, including Anwar, Marielle, and Alana Hadid. Mohamed was expected to attend her graduation but canceled shortly before the ceremony.

Family Privacy Comes First

Despite the public interest in this surprising family connection, Gigi and Bella are urging people to respect Aydan’s privacy.

“She and her family value their privacy,” the sisters emphasized, “and we ask that her wish and right to anonymity be honored as she continues her life as a young woman in New York.”

As the fashion world watches closely, Aydan Nix’s story is just beginning — now as a part of one of the industry’s most famous families.