black long maxi dress with sleeves LESET Lauren Sleeve in in Jersey a seamed bodice Women's Long Sleeve Maxi Tiered

The most important sartorial rule of the event is to avoid wearing the exact color of the birthday girls gown

Whether you pair a black top with black bottoms, ivory on ivory, or navy on navy, monochrome dressing is always chic

The scoop neckline and adjustable spaghetti straps add a delicate touch, while the smocked back ensures a comfortable, flexible fit that moves with you

Neutrals are the safer options but if you want to do the 70s proud, the more colourful the better

The Mariah Beige Dresser offers generous storage wrapped in a refined, natural aesthetic

Fit Slim Fit Tailored Fit Model is 6'1 and is wearing a 15.5R Shirt Cut to a slim fit that'll create clean lines, Moss' long-sleeved black shirt has double cuffs you can personalise with your favourite links