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Kate showed off her secret talent – the drums! – on a rendition of Queen's "We Will Rock You" during her visit to London's Anna Freud Centre Family School, which serves children with mental health needs.
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In a red Alexander McQueen dress (one of her favorites!) Kate blended in perfectly with the festive decor at the school's Christmas party.
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Even royals have to follow the rules – Princess Kate raised her hands alongside her students for a musical pause during her visit.
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Peter Fonagy, the chief executive of the Center, told PEOPLE that Kate had a blast during the performance. "She got into it and said she felt it was therapeutic," he said.
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Afterwards, Kate sat down with the children for other activities, too – and charmed everyone she met. "She makes a very special contact with kids," Fonagy said. "They all think she's fantastic, she's their princess. And they all wanted to give her a hug."
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HUG IT OUT
And some of them got to do just that!
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