There's been some speculation among my research group over Melania's coat.
We are speculating the coat is from this clothing website
https://www.zara.com/us/
Take a look at the models faces and eyes. They seem to resemble the models from Chandler's instagram. At least thats what I am leaning more towards.
It could be something, or it could be a nothing burger. Just thought I would throw this out there for my fellow anons.