Paris Hilton leaned into the nostalgia factor last night, recreating one of her most famous outfits of all time—the silver chainmail dress she wore for her 21st birthday—for her and Klarna's House of Y2K event.

It has been 21 years since Hilton, now 42, first wore the look, but you'd never guess comparing the two images. The recreated dress is designed by Nicole & Felecia, and the House of Y2k pop-up that Hilton and Klarna curated opened in LA on Friday for one day only.