Princess Charlotte is celebrating her fourth birthday and that means one thing: new photos!

Interestingly, in the latest dispatch of photos of the royal kids, Princess Charlotte bears a striking resemblance to her great-grandmother, Queen Elizabeth II.

SEE ALSO:These new photos of Prince Louis will make you swoon at his cuteness

Three photos were taken by the Duchess of Cambridge in April at Kensington Palace and their residence in Norfolk.

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If, by now, you haven't clocked the uncanny resemblance, here are some archive photographs of Queen Elizabeth II to jog your memory.

Princess Elizabeth riding her tricycle in a park in 1935.Credit: Keystone/Getty ImagesPrincess Elizabeth and Princess Margaret at the Royal Lodge, Windsor, in July 1946.Credit: Lisa Sheridan/Hulton Archive/Getty Images

Happy Birthday, Princess Charlotte.

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