Better call in sick to work, Zigi fans, for the day you've spent at least an entire year praying for has finally arrived: It looks like Gigi Hadid and Zayn Malik are officially back together. As People reports, the off-again, on-again couple were photographed in New York City Saturday evening, walking arm in arm, after celebrating Gigi and Bella's mom Yolanda Hadid's birthday at dinner.