I had one of those when I was a kid.
It was called a flying saucer back then.
Look up George Jetson daughter Judy hats....you’ll find an exact copy there, but pink. Lol.
LOL! The first thing I thought was that it looked like a flying saucer.
Melania can make anything look good - but that hat should have been left on the dressing-room floor - MHO :-).