Princess Kate, amidst a cancer diagnosis, apologizes for missing an event honoring her father-in-law King Charles III. In a letter shared by the Irish Guards, she expressed pride in the regiment's preparations for the Colonel's Review and Trooping the Colour. The event, scheduled for July 15, celebrates the monarch's birthday. Due to her health condition, Princess Kate expressed regret for not being able to participate but conveyed her best wishes. Currently undergoing cancer treatment, she has not returned to work since January when she announced her diagnosis. Despite the challenges faced by the Royal Family, Princess Kate remains grateful for the support received during her recovery. Her absence from public events underscores the personal struggles she continues to endure during this difficult time.