This Katy Perry photo contains
fedora, chapeau de feutre, homburg, stetson, trilby, hombourg, chapeau de feutre trilby, plaisancier, leghorn, panama, marin, skimmer, chapeau de paille, barbeau, chapeau, écumoire, paille, canotier, livourne, chapeau panama, and sailor.
There might also be
chaussant, le tuyau, bonneterie, tuyau, hip boot, thigh boot, robe de cocktail, and gaine.