Zayn Malik gives a rare look at life as a dad as he celebrates daughter Khai's third birthday with a tribute on Instagram Thursday. The singer posts a collage of photos from the celebration, calling Khai his 'everything' and the 'most amazing soul' he's ever known. Khai's mother, Gigi Hadid, also gave her little one a birthday shoutout on Instagram with a series of snaps, sharing how 'honored' she is to be her ‘mama.’ Source