Bring On the Big Hats: It's Derby Day!

The 137th annual Kentucky Derby at Churchill Downs is underway!

Whether you like to bet on the horses or not, it's always a great excuse to bust out your most outrageous headgear! (Think Princesses Beatrice and Eugenie.)

Here are a couple of our favorite celebrity looks of years past!

Rebecca Romijn, Jessica Simpson and Brooke Shields get in the Kentucky Spirit.

Follow us @shoesbagsblogs and send twitpics of your most fabulous Derby-inspired look!