Queen Camilla Leads the Way at the Race Course, Where Princess Eugenie and Zara Tindall Double Date

Around noon on March 12, the Queen, 77, quietly arrived unannounced at the Cheltenham Festival at Cheltenham Racecourse in Gloucestershire, England to see the second day of the equestrian festival. After being formally greeted, she walked from the entrance for about 200 yards to the main enclosure, drawing surprised gasps from fellow guests