Gigi Hadid shares throwback pregnancy snap in birthday tribute to sister Bella

New mother Gigi Hadid shared a throwback picture of her baby bump as she wished younger sister Bella a happy birthday (PA)

New mother Gigi Hadid shared a throwback picture of her baby bump as she wished younger sister Bella a happy birthday.

The model welcomed her first child with former One Direction singer Zayn Malik last month, giving birth to a daughter.