Check out these mad hot hatters! Katy Perry, Rita Ora, Beyonce, Kesha and Demi Lovato all look fantastic in their head-toppers, which range from large floppy to structured and small, but which of these ladies do you think rocks their black hat best?

Ms. Perry opted for a black hat with a medium-sized brim during the 2013 Presidential Inauguration, which added some extra pizazz for the chic outdoor ceremony. Meanwhile, Rita Ora went the "large and in charge" route while picking out her hat for ELLE's Women in Music event in 2013, and she looked so elegant with her blond curls and asymmetrical, floppy brim.

Outside of red carpet land, Beyonce has been seen rocking a super slick black hat while on her Mrs. Carter world tour. Even though photographers have been banned from snapping shots at her shows, Bey still updates with some live action shots on her website, including this awesome black and white shot of her with her ultra-cool head-topper.

Finally, Kesha and Demi Lovato have also displayed their love for a good ol' black hat while strutting their stuff at the 2013 MTV Movie Awards and at a 2011 radio event, respectively. Kesha mixed up some gothic elements with boho chic fashion, and her flowery black hat with a wide brim pulled together this outrageous look. The 'Heart Attack' singer, on the other hand, looked sleek in all black, letting her red locks shine underneath her fab fedora.

So, which of these ladies do you think looks best in her black hat? Vote below!