Princess Charlotte may only be six years old, but she has already become a firm favourite with royal fans and even made history in 2018.
When the Duke and Duchess of Cambridge welcomed their youngest child, Prince Louis, on April 23, 2018, Charlotte became the first woman in history to keep her place in the line of succession despite having a younger male sibling.
But that's not all for the young royal, who will one day be sister to the King of England, as she could also inherit an incredibly rare title which has only been used seven times in history, My London reports.
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Princess Charlotte could be given the name, the Princess Royal of the United Kingdom - a title which currently belongs to Princess Anne.
This name was given to Anne by her mother, the Queen, back in 1987, and will belong to her for the rest of her life, regardless of her familial relations within the monarchy. The title was established by Charles I in 1642 for his daughter, Princess Matilda.
The incredibly rare title is exclusively given to the eldest daughter of the monarch, so it is assumed Princess Charlotte will one day be given the title, when her father, Prince William, becomes King himself.
Interestingly, the Queen herself missed out on the title of Princess Royal, as the eldest daughter of King George VI, but he was unable to give it to her as it still belonged to Princess Mary, until she died in 1965.
Given that she went on to become the Queen - one of only eight in our nation's history - she probably didn't lose sleep over missing out on the title.
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