Jennifer Lawrence may have been at a party in Hollywood, but she looked like she just stepped out of a Jane Austen novel or an episode of Bridgerton.

Sunday night, the actor channeled the Regency era for her appearance at Vanity Fair’s annual Oscars after-party. Pulling a jaw-dropping vintage look from Givenchy’s 1996 couture collection, Lawrence wore a sheer white gown featuring delicate floral embroidery, a ruffled high collar, puff short sleeves, and the empire waistline typical of early-19th-century fashion standards. Attached to the back of the dress was a matching sheer white train covered in a regal pattern, which trailed behind her as she made her way down the carpet. She finished off the look with diamond stud earrings, an ivory bracelet, and white pointed-toe pumps.