Supermodels Gigi and Bella Hadid are opening up about discovering that they have a half-sister.. The models said that their sibling, Aydan Nix, 23, was born of a brief relationship between their ...

The Hadid family just got a bit bigger. 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 ...