black glitter prom dress with slit Ashley Lauren 11236 Black/Silver Sequin Prom Dress 10 / Black/Silver

Elizabeth Debicki, who will portray Princess Diana on the upcoming fifth season of 'The Crown,' perfectly recreated one of the royal's most iconic looks.

Shoulder Measure from where your shoulder meets the top of your arm, or the boniest part of your shoulder, and hold the tape straight across to the tip of your other shoulder blade

Remove the battery from the garment and wash by hand

The long ball-gown-style skirt gathers at the banded waist before flowing away from the hips and down to the floor

The specific outcome changes by shade but all of them are reliably photogenic in ways that few other colors consistently are