Like the queen, Anne started her royal work at a young age -- in Anne's case at the age of 18 -- and never stopped. Queen Elizabeth II and Princess Anne at Balmoral, Scotland, Aug. 14, 1983.

Princess Anne, the late Queen Elizabeth's no-drama daughter long known as the royal workhorse, has been front and center after her mother's death, prompting many to wonder: Why don't we see more ...