Best hats at the Kentucky Derby 2015 (19 images)

A race fans enjoys her Mint Juleps before the running of the 141st running of the Kentucky Derby at Churchill Downs on May 2, 2015 in Louisville, Kentucky. Photo by John Sommers /UPI

Ladies show off the Kentucky Derby hats before the running of the 141st running of the Kentucky Derby at Churchill Downs on May 2, 2015 in Louisville, Kentucky. Photo by John Sommers /UPI

A woman wearing a festive hat walks through the paddock area at Churchill Downs Derby Day on May 2, 2015 in Louisville, Kentucky. Eighteen horses will compete in the 141st running of the Kentucky Derby at Churchill Downs Saturday, May 2. Photo by Frank Polich/UPI

Women wearing their Derby Hats watch horses in the paddock area at Churchill Downs Derby Day on May 2, 2015 in Louisville, Kentucky. Eighteen horses will compete in the 141st running of the Kentucky Derby at Churchill Downs Saturday, May 2. Photo by Frank Polich/UPI