This Michael Jackson foto contains
filzhut, homburg, stetson, trilby, fedora, stetson trilby, porkpie, porkpie hut, snap randhut, schnappen sie randhut, and snap krempe hut.
There might also be
biber, rizinus, rolle, castor, kleid hut, hut hoch, opernhut, zylinderhut, ofenrohr, deckel, biber, kleiderhut, hut, seidenhut, topper, kleid, hi-hat, opera hut, and zylinder.