Gigi Hadid and Zayn Malik have been enjoying every moment of parenthood following the arrival of their daughter Khai in September.MORE: Zayn Malik makes incredibly rare comment about baby daughter KhaiAnd soon, the celebrity couple's baby girl will be getting a playmate with the news that the One Direction star's sister Safaa is expecting her second child with husband Martin Tiser.The 18-year-old took to Instagram on Thursday to announce the happy news alongside a picture of a sonogram and a pair of baby shoes.
VIDEO: Gigi Hadid returns to work following baby Khai's arrivalSafaa and Martin are also parents to daughter Zaneyah, who they welcomed last January.Zayn and Gigi have a close relationship with Safaa and have been pictured together.
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