This Taylor Swift photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, sunglasses, dark glasses, and shades.
There might also be
porkpie, porkpie hat, campaign hat, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, and beaver.