This Lady Gaga vs. Ke$ha foto contains
scatto bordo del cappello, cappello di snap, fedora, cappello di feltro, homburg, stetson, stetson trilby, cappello campagna, and cappellone.
There might also be
porkpie, cappello porkpie, porkpie hat, beaver, di ricino, castoro, castor, and sombrero.