floral dresses blue Zapaka Women Maxi Dress A Line Sweetheart Strapless Pleated Wedding Guest Dress, Blue Floral / US4 side cut outs and an elasticised waistband Azazie Keyla

For women, the outfit choices remain the same: a floor-length gown, a fancy cocktail dress, or a dressy pantsuit

Marilyn Monroe's dress has sold for more than 3m The sheer, flesh-coloured design, which features more than 2,500 hand-stitched crystals, had a pre-sale estimate of 2.42m ($3m) before it went under the hammer at Julien's Auctions in Los Angeles

It's visual shorthand for 'the old me is dead.' Think 'Gone Girl' but dialed up to a Gothic level

The story often points to Tuxedo Park, New York, where the shorter dinner jacket first gained acceptance as formal evening wear

Readers looking for additional inspiration may enjoy our Elegant Black Evening Dresses and Luxury Wedding Guest Style Guide , where youll discover more sophisticated combinations designed for memorable formal occasions throughout the year

If there is one rule that must never be broken, it is that no amount of shirt should ever be seen below the waistcoat