The Royal Family made an appearance at the Epsom Derby Festival in southern England over the weekend, and once again Kate was dressed to impress. Her stylish hat was a tastefully and elegant choice to match her stunning white dress.

Kate, Catherine the Duchess of Cambridge, wasn't the only one donning a hat at this year's event. We've selected some of our favorite hat designs from the event. Which is your favorite?

Catherine, Britain039s Duchess of Cambridge
Catherine, Britain's Duchess of Cambridge looks through binoculars as she attends Epsom Derby horse race at Epsom Racecourse in southern England. REUTERS/Paul Hackett
Catherine the Duchess of Cambridge
Britain's Prince Harry (L), Catherine the Duchess of Cambridge, and Prince William stand on the balcony of the Royal box before the Derby at Epsom Racecourse in southern England June 4, 2011. REUTERS/Suzanne Plunkett
Ladies Day at Epsom race
A woman waits for a race to start on Ladies Day at Epsom race course in southern England. REUTERS/Suzanne Plunkett
A woman waits for the start
A woman waits for the start of the second race during Ladies Day at Epsom Racecourse in southern England. REUTERS/Suzanne Plunkett
Model and TV presenter Erin O039Connor
Model and TV presenter Erin O'Connor gestures during Ladies Day at Epsom race course in southern England. REUTERS/Paul Hackett
Britain039s Princess Eugenie and Princess Beatrice
Britain's Princess Eugenie and Princess Beatrice arrive at Epsom Racecourse in southern England. REUTERS/Suzanne Plunkett
Kate middleton United kingdom