Sydney Sweeney sat down with Jimmy Fallon to chat about her mischievous new puppy, who’s learned how to open doors, Cassie spiraling even further in Season 3 of Euphoria, and her intense performance alongside Julianne Moore in Echo Valley. For the appearance, Sydney stunned in a strapless black corset top featuring a Sailor Tattoo jacquard design. The look was elevated with sculptural draping at the neckline, crystal embroidery, a structured bodice with cut-out accents, and a flared peplum hem, finished off with a sleek back zip closure. See more inside

Sydney was wearing Alexander McQueen Fall 2025, gorgeous!

(Photos by: Todd Owyoung/NBC)