navy blue dress with gold Long Prom Sequins Formal Dresses Soft gold accents on navy

Flattering A-line fit with a comfortable pull-on design, falling at the knee

Take your pick from enhanced black diamonds, black onyx and Tahitian pearls

5 Polished Men's Black Slip On Dress Shoes Black Penny Loafers For a shoe that needs to work with almost any outfit, black is one of the safest choices

If the invitation specifies Creative Black Tie, then some colour variations for the jacket (like deep jewel tones) or a subtly coloured or patterned bow tie may be acceptable

To complete your 90s look, it's essential to find the right outfit for the occasion

If she, the doyenne of classy simplicity, is obsessed, then we totally should be