There are plenty of options, but the black-tie dress code usually calls for a floor-length gown
I think that rule makes sense with more classic tailoring where black is nearly always a smart shoe, and brown is always seen as much more casual, in tweeds and so on
The asymmetrical hem and side keyhole detail add a modern edge, while the hidden side zipper ensures a seamless fit
Then, about 8 years ago I got a gorgeous pair of Christian Louboutin black booties similar to these as a gift, and I wore them into the ground
But those who thought it was illuminated by artificial light were more likely to see it as black and blue
Elegant, modern, somehow mystic, Little Black Dress (for me) represents a classy woman in her mid 30s, wearing a tight black skirt and a fancy blouse