As celebrities gear up for the Met Gala every year, they tend to delight in "remember when?" moments, posting flashbacks of their first time at the ball. For the Rei Kawakubo Comme des Garcons exhibit, some ladies even came "full circle," attending the event with the same designer they wore upon their debut (we're looking at you, Gwyneth Paltrow and Kate Hudson). Others, however, wore outfits off the beaten path — designs they might never have picked back in the early 2000s or late '90s. Scroll for a full rundown on what your favorite supermodels and stars wore for their first rodeo at fashion's prom night.