black cap toe dress shoes Classic A classic patent leather Thursday Boot Company Men's Black

SHOP THE LOOK: AZAZIE ZEYA Satin Allure Bridesmaid gowns in satin black will up the glam factor

A sleek leather one pairs perfectly with the minimalist Career Woman look of the 90s (think Elizabeth James in 1998s The Parent Trap )

The A-line silhouette offers a flattering fit, gently flowing down to the floor with a sweep train that adds a dramatic yet soft finish

Opting for a men's suit to take home her win, which is iconic in itself

The Duchess of Sussex pulled out all the stops for the evening, wearing an asymmetrical black velvet dress by the French fashion house, stacked gold bracelets, and matching metallic Tamara Mellon sandals

If your black-tie invite extends to the whole family, you can stick to the same rules as for the grown-ups: dresses and smart suits