So...

...Exactly whom, do you suppose, at the studio (and it looks like her Warner's days) did Miss Eve Arden piss off so royally (you should pardon the expression) that she had to spend a morning at the portrait gallery in that getup?

As the fabulous Mr. Ethan Mordden once observed of an ensemble of Miss Jeanette MacDonald's, that is a hat that a banshee would wear to a bris.