If Melania had worn it they would have called it gross, grisly, or grotesque. Perhaps even all three.
However, your premise is faulty. Melania would have never been invited to the show and had she appeared, the artists would have walked out on her.
We’re not going to see another Melania. Even Jackie Kennedy never had such style.
But I never said a thing about where she might have worn it to. You are reading things into what I said, that I didn't say at all. I merely stated that if she had worn that same dress they (whomever they might be at the time) would have trashed the dress because she wore it. 🙂