Catherine, Princess of Wales, was not at Royal Ascot on Wednesday, with a royal source citing her need for balance as she returns to public engagements after being treated for cancer last year.

Kate, the Princess of Wales, canceled plans to attend the Royal Ascot horse race as she continues her recovery from cancer.

Kate, 42, withdrew from the Royal Procession on the second day of Royal Ascot, with Buckingham Palace sources quick to reveal this was due to an administrative error.