The garments’ layered, preppy lines drew on British know-how through collaborations with Savile Row tailors Anderson & Sheppard and milliner Stephen Jones for berets.

Inspired by the “Superfine” dandy theme at the Met Gala last month, she also sent out a lineup of tailcoats, made by the Savile Row tailor Anderson & Sheppard, a longtime collaborator.

Channeling the opulence of 1930’s evening wear, including a tailcoat produced with Savile Row tailors Anderson & Sheppard and a beaded chiffon shirt, alongside relaxed utility silhouettes, aged ...