black rhinestone dress Gwenaëlle Panel Maxi with its sweep train creates an elegant silhouette Black Rhinestone Accented Halter Gown

Throw in some texture spray for volume, or slick it back if you want it smooth

Style note: This look, and dozens like it, demonstrated Dianas ability to make simple, accessible pieces look considered and quietly expensive

In the wake of her September news that she and her then-husband, Keith Urban, were getting a divorce, the Big Little Lies star, 58, was every inch the timeless Hollywood star in a spellbinding Chanel number for the Vogue World: Hollywood event

Navy Jacquard Backless Cowl Front Mini, $59 buy here 4

Spaghetti shoulder straps

Slip into a navy cocktail dress with the Jac heels so youre ready to dance the night away in style