long sleeveless sequin dress Fitted Lace-Up Back Slit Gown by Ladivine CD258 This long Hfyihgf Women's Sequin Dress Sparkly

Dior's vintage lingerie slips are perfect for layering with a cardigan and sheer tights, while there are tonnes of Nineties steals available at vintage favourites Rokit right now

And now you know all the secrets

With a sweeping, voluminous silhouette and rich blue hue, a blue ballgown instantly conveys a sense of occasion and it does so with an unexpected style

Bonus points if: You sit very still near the front door of your house and jump out at kids to scare them (and then, of course, give them plenty of candy, since tricks should always be followed by treats)

For Casual Chic For a casual street-style look, pair a black mini dress with an oversized blazer

Classic clutches in metallic colors offer elegant sophistication for formal proms