Kentucky Derby hats
A fan wears a hat during the 137th Kentucky Derby at Churchill Downs on May 7, 2011, in Louisville, Ky.
Pictures: Kentucky Derby 2011
Credit: Matthew Stockman/Getty Images
A fan wears a hat during the 137th Kentucky Derby at Churchill Downs on May 7, 2011, in Louisville, Ky.
Pictures: Kentucky Derby 2011
Credit: Matthew Stockman/Getty Images