women's dresses black and white Leely Women A-Line Lace Applique Mother of the Bride Dress Lone Sleeves Maxi Formal Dress Hip 52) As Time Flies Floral Maxi

I found it available in a white/gold here but sizing is limited so I linked a few similar dresses as well

Their gray-painted interiors differ slightly as the left cabinet has two small shelves inside and the right has three shelves

The dress may get all the attention, but the bra, slip, or smoothing short underneath is what helps everything sit properly

Black tie optional means the couple wants an elevated evening atmosphere, but they are giving you flexibility: a floor-length gown is a guaranteed win, and a refined cocktail dress, a sleek jumpsuit, or a sharp pantsuit all fit the bill when styled intentionally

Here in the photo it looks more bright blue, but in person it's a true navy

If you are nerdy, you may care less what you wear but if you do, and still what to be called one, you can wear the same color t-shirt every day, much the same way Mark Zuckerberg does, loose jeans, and complement this with thick rimmed glasses and sneakers