The Prince and Princess of Wales have made two courtside appearances during visits to the U.S, which have been viewed over 300,000 times on TikTok.
Charles could echo his mother's tradition by spending his accession anniversary quietly at the Scottish home in which she died.
Footage of William and Harry watching their father, King Charles, play polo in the 1980s has been shared by fans, after resurfacing on TikTok.
On a visit to Wales with Queen Camilla, Charles had an unexpected helping hand when unveiling a plaque, and some viewers suspect a royal ghost.
Since 2013, French fashion designer Roland Mouret has become a favorite designer for both Kate, the Princess of Wales, and sister-in-law, Meghan Markle.
Prince William and Kate's son has seen his public appearances increase over the past 12 months, from starting a new school to taking part in the coronation.