The Simplicity image above is a fake.
Here is the original:
Gucci Defenders rejoice!
Six weeks prior to the inauguration, Yolandi Visser (of Die Antwoord) wore the dress, sans red hat and gloves.
I think those added red elements complete the outfit and ascends it to Super Villain Wardrobe status.
When I first saw the dress, it reminded me of Mockingbird's new(ish) costume design:
I think Mockingbird's costume needs some added red.