“But William and Catherine are clearly very popular in the United States. I’ve no doubt that if the Foundation can help with the many issues surrounding mental health worldwide, then that support would be welcomed… and would carry with it a good deal of heft because of William and Catherine.”

Kate disclosed recently that she had finished her chemotherapy for cancer, and just last Thursday 26 September, she stepped out publicly for the first time since the revelation. The Duchess attended the matinee show of the English National Ballet’s Giselle at Sadlers Wells theatre.