This Chloe Moretz photo contains
fedora, felt hat, homburg, stetson, trilby, snap brim hat, and campaign hat.
There might also be
porkpie, porkpie hat, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, cocktail dress, and sheath.
Here's an interview with Chloe Grace Moretz about her role as Hit Girl / Mindy Macready in the upcoming big-screen adaptation of the graphic novel Kick-Ass.