Julius Erving

There aren't many red carpets that can bring together the likes of Lauren Conrad, Kid Rock, beauty queens, and Smokey Robinson, but it happened this weekend at the 139th Kentucky Derby. The biggest attraction--sometimes literally--at the Kentucky Derby is the head wear. From matchy-matchy hats to ginormous flowers, race-goers had fun with their hats this year. Click through to see the best and biggest.