Lady Sarah, 58, looked in great spirits as she took in the action on the track alongside Vice Admiral Sir Charles Anthony Johnstone-Burt, he Queen s Master of the Household.
The Royal Family turned out in force for the Queen s Service of Thanksgiving at St Paul s Cathedral on Friday morning. Here, a closer look at exactly who attended.
Royal family members missing from Buckingham Palace balcony and where they were – including Prince Andrew ok.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ok.co.uk Daily Mail and Mail on Sunday newspapers.
Despite not wanting to appear on the balcony, the couple s biographer Omid Scobie says Harry and Meghan do want to attend the National Service of Thanksgiving at St Paul s Cathedral.
A dramatic statement at 3pm said the couple - as well as the Duke of York - would not be invited onto the balcony for Trooping the Colour, the spectacular start of her long weekend of commemorations.