This Evanescence photo contains
academic gown, academic robe, judge's robe, fedora, felt hat, homburg, stetson, trilby, porkpie, and porkpie hat.
There might also be
boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, beaver, and castor.