![Princess Elizabeth, heiress presumptive to the throne, pictured in the White Drawing Room at Buckingham Palace with her husband to be, Lieut. Philip Mountbatten and her sister Princess Margaret.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/EYYOF5RIEJP5T3XITJKBRZJGYU.jpg?smart=true&auth=6d8bdfa277df45a0647901060d6b1c7aa384a8f62b3780852a4875c0ccda8a9e&width=400&height=225)
A young Princess Elizabeth at Buckingham Palace with her husband to be, Lieut Philip Mountbatten, and her sister, Princess Margaret. PA Images
A young Princess Elizabeth at Buckingham Palace with her husband to be, Lieut Philip Mountbatten, and her sister, Princess Margaret. PA Images
The story of Lilibet: what the Queen's family nickname means and how it stuck
Prince Harry and Meghan Markle name their newborn daughter after her great-grandmother, Queen Elizabeth II