Kate Middleton, the Princess of Wales, announced in March 2024 that she was diagnosed with an undisclosed form of cancer. In January, the mother of three said she was in remission.

The Princess of Wales, Kate Middleton, surprised royal fans when she canceled her appearance at Royal Ascot on June 18, 2025, just moments before the event began. Expected to join Prince William in the prestigious carriage procession,

Kate, who shares three young children with William, has made a gradual return to public engagements this year since announcing in January that she is in remission from cancer. Kate has not shared details of the type of cancer with which she was diagnosed, though she has shared she underwent chemotherapy treatment.