But what does black tie mean in an age when everything seems to be casual or the standards of dressing seems malleable
Featuring a striking rainbow colour palette, the frock was expertly accessorised by Bey with a huge pair of sea foam-coloured hoop earrings and some plum-toned wedge heels with shiny gold detailing
Now let us look into some popular styles to create an unforgettable night
Formal Shirt: The tuxedo shirt should be white with a turndown collar and french cuffs
"The wide shoulder line is classic Fifties screen goddess style, and further emphasises the narrowness of her waist," says auctioneer Kerry Taylor, who specialises in fashion, from historical artefacts to contemporary celebrity memorabilia
Colors: Sizes: 00010122468 (Find a store near you to buy this item) Find a store Designer Dress Features The Jovani 37164 is an alluring formal gown designed to make a dramatic and fashionable statement at special occasions