The King's sister was in attendance at the King George VI And Queen Elizabeth Stakes, named for her late grandparents, to watch a battle of the thoroughbreds on Saturday afternoon.
The typically stoic Anne, 75, couldn't conceal her amusement as she came face-to-face with a humanoid robot during an official three-day trip to South Korea.
Anne, 75, was typically graceful as she arrived at Guildhall alongside her husband, Vice Admiral Sir Timothy Laurence, for the Centenary Banquet of the Honourable Company of Master Mariners
Prince Edward and Sophie attended the star-studded event the day before their 27th wedding anniversary, with the Duchess of Edinburgh wearing the same pearl necklace she was married in.
Just over a week since they were wed in the Cotswolds, newlyweds Peter Philips and Harriet Sperling joined the King and Queen in the traditional carriage procession at Royal Ascot.
Over the years, Isla, who is the granddaughter of Princess Anne , has often been noted for sharing uncanny similarities with the late Duke of Edinburgh.