Gigi Hadid’s sweet birthday post for daughter Khai Malik.Zayn Malik's fans are buzzing after Gigi Hadid revealed that her four-year-old daughter, Khai, shares Zayn Malik's surname. In a heartfelt Instagram post celebrating her fourth birthday, Gigi shared the full name, "Khai Malik,"... Gigi Hadid’s sweet birthday post for daughter Khai Malik.Zayn Malik's fans are buzzing after Gigi Hadid revealed that her four-year-old daughter, Khai, shares Zayn Malik's surname. In a heartfelt Instagram post celebrating her fourth birthday, Gigi shared the full name, "Khai Malik,"...