Landing the cover of the Sports Illustrated Swimsuit Issue is on the bucket list for a myriad of models. This year the coveted spot was—for the first time ever—given to a plus-size model, Ashley Graham. To celebrate this epic moment, a bevy of supermodels turned up at the NYC party dressed in their sexiest ensembles, which ranged from a sheer catsuit to midriff-baring separates to a bondage-inspired gown. Here, seven of the most daring looks of the night.