Queen Elizabeth II with her ladies-in-waiting. Lady Anne Glenconner, far left, would go on to become one of the queen's longest-serving in the role. The Print Collector / Getty Images
Queen Elizabeth II with her ladies-in-waiting. Lady Anne Glenconner, far left, would go on to become one of the queen's longest-serving in the role. The Print Collector / Getty Images

What does a lady-in-waiting do? The rules, roles and history of the queen's closest aides