Queen Elizabeth II's only daughter, Princess Anne, is believed to have a close relationship with her sister-in-law, Queen Camilla.
But a little lesser known fact is that in the early 1970s, the Princess Royal was romantically linked to the man who would end up giving Camilla Shand her famous last name in marriage: Parker Bowles.
The Channel 4 documentary The Real Princess Anne sees experts delve into the press interest around the young Princess' love life in the Seventies, the Express reports.