maeve plus midi slip dress Slim Satin Black never met a soirée it couldn’t handle Maeve - Mock-Neck Midi Slip

Never wear: Cocktail dresses or casual midi styles Sundresses or daytime fabrics Anything white, ivory, or cream Overly revealing or club-like styles Casual shoes (sandals, flats, or boots unless very formal) Denim or casual separates Costume jewelry that looks cheap Avoid: Excessive sequins or glitter Loud patterns or graphics Overly trendy pieces Anything wrinkled or damaged Casual bags or oversized totes Black tie demands attention to detail

Swift wore a striped Ralph Lauren smocked midi that, of course, sold out less than an hour after the couple shared a joint Instagram post announcing their engagement

It's both a nod to the past and a confident step toward what's next in style

Jumper dresses can be layered with an inner shirt, cardigan or dress

Bandeau sweetheart neck