Princess Charlotte continues to stun the world with her striking resemblance to her father Prince William as she celebrates her sixth birthday.

In a new photograph released today (May 2) in celebration of the milestone, the young Royal can be seen grinning for the camera.

The sweet snap was shared on the Royal Family's official Twitter page, with the caption: "Wishing Princess Charlotte a very happy sixth birthday today." It also credits Princess Charlotte's mother, the Duchess of Cambridge, as the photographer.

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Princess Charlotte, just like her older brother Prince George, is the spitting image of the Duke of Cambridge - particularly when then the 38-year-old future king was a young boy himself.

[[imagecaption|| Prince William was one of the page boys at the wedding of Prince Andrew and Sarah Ferguson in 1986. Credit: Ajax News & Feature Service / Alamy]]

Plenty of people have since taken to Twitter to share their thoughts on the resemblance, with some even remarking that Princess Charlotte also takes after the late Princess Diana - as well as the Queen herself.

One royal fan commented: "She is such a beautiful little Princess! Looking more and more like her dad and grandma Diana. happy birthday sweet Charlotte."

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Another said of the young princess: "Dad's mini me. HAPPY 6th BIRTHDAY Princess Charlotte."

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A third commented: "Happy Birthday sweet Princess Charlotte. she's looks very much like grandmother Princess Diana and her father Prince William [sic]."

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One person stated that Princess Charlotte is "literally her dad's copy", adding: "Add a wig on William's head and you will find out Charlotte and if you cut Charlotte's hair, you will get her father's face."

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A final person shared: "Oh my goodness she is growing into such a beautiful young lady! She reminds me of her daddy so much.

"Thank you so much your highness for sharing your family photos with us. I look forward to your updates. You will never starve with a talent like you have with photography lol."

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Per The Telegraph, the picture was taken in Norfolk over the weekend by Princess Charlotte's mother, the Duchess of Cambridge. The 39-year-old is said to be an avid amateur photographer and is also a patron of the Royal Photographic Society.

The Duchess typically shares a photo of each of her children to mark their respective birthdays.

Featured image credit: PA Images / Alamy

Princess Charlotte looks just like dad William in new pic on 6th birthday