Gigi Hadid and Bella Hadid revealed that they have a younger sister, 23-year-old Aydan Nix, who they said their dad Mohamed Hadid fathered shortly after his breakup with their mom Yolanda Hadid.

Discover everything about the Hadid family, from Gigi and Bella Hadid's modeling careers to their surprising secret sibling ...

Supermodels Gigi and Bella Hadid welcome their half-sister Aydan Nix into their lives, sharing new details about her and their family connection ...

Gigi Hadid stepped out for an adorable date with Bradley Cooper and Irina Shayk's daughter. In new photos, Hadid and ...

Gigi Hadid put on a leggy display wearing a summer minidress as she attended the launch party for her collaboration with Brazilian-brand Havaianas on Wednesday in NYC.

Gigi Hadid was spotted in New York City wearing the most unexpected outfit combo. The model could be seen wearing a tweed ...

Marriage is reportedly in the cards for Gigi Hadid and Bradley Cooper. Find out what a source close to the couple recently ...

Meanwhile, "Lea has also become like a big sister to Khai, and the two girls share a strong relationship. Khai has grown up with Bradley and Lea as a regular part of her life, and she sees Bradley as ...