King Charles III and Kate Middleton both announced this year they have cancer. Middleton revealed in September that she completed chemotherapy treatment.

George, 11, Charlotte, 9, and Louis, 6, walked alongside their parents Prince William and Kate, the Princess of Wales, as members of Britain's royal family made their way into St. Mary Magdalene Church for their traditional Christmas Day service.

Kate Middleton hosted her fourth annual Christmas carol service at Westminster Abbey. As in previous years, the service will air on Christmas Eve in the UK; this year's broadcast will feature a personal introduction from the Princess of Wales herself.

After a tough year for the royal family, King Charles and Kate Middleton’s health issues were top of mind as the monarch gave his annual Christmas speech on December 25. On Wednesday, Charles departed from 18 years of tradition as he addressed the nation at a former hospital chapel instead of a crown residence–a seeming shout-out to the health care community after he and Kate were diagnosed with cancer earlier this year.

King Charles thanked the medics who cared for him and Princess Kate, after they both underwent treatment for cancer this year, in a Christmas message.

The monarch and daughter-in-law Kate Middleton were diagnosed with cancer just weeks apart, removing two senior royals from frontline duties.

The Princess of Wales graciously expressed her gratitude to a group of cancer charity workers as they lined the path for the annual walkabout to St Mary Magdalene Church this morning. The 42-year-old revealed that she had been diagnosed with an undisclosed form of cancer earlier this year,