Catherine has slowly returned to public events after cancer treatment and had been expected in the procession of Royal Ascot, but she abruptly canceled.

Kate Middleton, the Princess of Wales, recently appeared alongside Prince William, as well as their children Prince George, Princess Charlotte and Prince Louis at Trooping the Colour.

The second day of Royal Ascot is upon us and thousands of fans will once again descend on Berkshire to drink it in. It promises to be a warm one, while the jockeys and runners will bring plenty of their own heat to a gripping afternoon line-up.