black long sleeve glitter dress Lulus Party Icon Sequin Off-Shoulder Maxi Pair it with black stiletto heels and a matching shoulder bag for a chic look Yours London Women's Plus Size

The RRL Slim Fit Denim Western Shirt in Black is a lightweight Japanese slub denim modern fitting western shirt with black diamond snaps and sawtooth pockets

Black-tie optional is a dress code often seen on invitations to events, indicating that guests have the option to wear black-tie wedding guest attire, typically a tuxedo for men and an evening gown for women, but it's not required

But, I do like the principle of putting something between the two, even if its just a slightly paler sock for example

SuitSupply: The tuxedo collection at SuitSupply is truly unmatched in terms of luxurious and stylish black tie wedding attire

Perhaps a different in cultures