How a hat makes you feel is what a hat is all about.
I must point out - Sarah Jessica Parker is not a diva - she's one of these pop culture characters that everybody likes.
Elegance is all in the mind of the wearer.
Gaga is an entertainer, so a hat for her is part of the illusion of entertaining.
Hats are radical; only people that wear hats understand that.
It thrills observers and makes the wearer feel a million dollars.