Her sparkly Miu Miu gown on the steps of the Met was a lesson in classic old Hollywood history—and a teaser for what’s to come.

Sydney Sweeney did not take Sully to the actual Met Gala earlier in the evening, of course. The actor walked the blue carpet in a fitted black Miu Miu dress, which featured a keyhole cutout at the neckline and an elaborate gold broach.

Sydney Sweeney brought a furry friend as her plus one to the Met Gala afterparty and while it was an adorable sight to see, fans don’t think it was the wisest decision. This past Monday, some of the world’s most beloved A-listers swarmed New York City’s Metropolitan Museum of Art to attend the annual Met Gala,