This Emma Roberts photo contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, hip boot, and thigh boot.
There might also be
long trousers, long pants, dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, well dressed person, suit, pants suit, and pantsuit.