How cute!

These days she’s one of the most famous women in the world, but there are still a handful of secrets that we just don’t know about Kate Middleton.

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Recently, Kat opened up about her childhood days as a schoolgirl, revealing that even the future Duchess of Cambridge wasn’t immune to earning a slightly bizarre nickname from her classmates.

kate middleton getty images

Kate at age five. (Photo Credit: Getty Images)

Visiting her old primary school, St. Andrews in Pangbourne — not to be confused with St. Andrews, Scotland, where the Duchess attended college and met her future husband, Prince William — Kate revealed to current pupils that her classmates would refer to her as “Squeak.”

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Where did this particular nickname come from? “Squeak” was actually a nod to the school’s pets, two guinea pigs named Pip and Squeak. Kate, of course, is the sister of Pippa Middleton… are you catching our drift?

“There was one [guinea pig] called Pip and one called Squeak, so my sister was called Pip and I was Squeak,” the Duchess explained to St. Andrews pupils during her recent visit.

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Little did her classmates know that one day “Squeak” would bear a clutch of royal titles, including Her Royal Highness The Duchess of Cambridge, The Countess of Strathearn and Princess William of Wales.

This story originally appeared on Grazia Daily.

Check out the gallery to see more fascinating facts about Kate and William!