black satin maxi dress Baltic Born Womens Vara Wrap | Maxi length High side split Invisible zipper at centre back Adjustable thin shoulder straps Satin material Lightweight fabric Slight stretch Lined bust Satin Maxi Dress with Strong

For a city affair, a seasonal version of a little black dress is always appropriate

Bueckers jazzed up the suit with sparkly hoop earrings and layered diamond necklaces and chunky rings and pulled back her hair, sporting a half-up, half-down style

Much of the uncertainty stems from just how broad a concept it is

But a dark navy, charcoal, or black with pinstripes more than qualifies, and the added elegance of a full waist covering (either a waistcoat or the fold of a double-breasted jacket) is hard to argue with

Browse the gowns that I'm calling "the best of the best" below

Samantha Cameron Samantha Cameron always looked polished and elegant, choosing to wear pieces from the best of British brands