Trivia: What was Princess Diana’s title before she married Prince Charles?
Duchess Diana Spencer
Countess Diana Spencer
Baroness Diana Spencer
Lady Diana Spencer
The correct answer is Lady Diana Spencer
So why is this answer correct? : Before she was the Princess of Wales, Diana was known as Lady Diana Spencer. When she divorced Charles in 1996, Diana was able to keep her title of “Princess of Wales,” but had to relinquish the title of “Her Royal Highness.”