It's no secret that Gigi Hadid is one hot supermodel, but her latest New York appearance makes for the perfect reminder. On Tuesday, Gigi turned heads when she arrived at the annual Sports Illustrated swimsuit launch party wearing a barely there black jumpsuit. Gigi, who was there to celebrate her spread in the magazine, struck a slew of sexy poses and linked up with pal Lily Aldridge, who also appears in the publication along with fellow models Hannah Davis, Hannah Ferguson, and Ashley Graham. Meanwhile, Gigi's boyfriend, Zayn Malik, was noticeably absent, though we did catch them out together in LA earlier this month. Keep reading to see more of Gigi's night, and then check out her cutest moments with her sister Bella.