This Emma Watson photo contains
fedora, felt hat, homburg, stetson, and trilby.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, boater, leghorn, panama, panama hat, sailor, skimmer, and straw hat.
She's so cute, I think she's an exceptional actress, not only because of Harry Potter, I am in anticipation for the benefits of being a wallflower, I read the book and I hope she has a very good interpretation!