The Gist
Princess Charlotte looked so grown up and poised while joining Kate Middleton for a surprise public appearance in a video shared on December 24.
The 10-year-old performed a duet with Kate for her “Together at Christmas” service, which was filmed on December 5.
Kate previously performed at her annual carol concert back in 2021.
Princess Charlotte was Kate Middleton’s mini-me as the mom-daughter pair showed off one of their shared hobbies: Playing piano. After teasing a surprise duet partner on Tuesday, Kate revealed that her 10-year-old daughter was joining her for a special cameo at her “Together at Christmas” carol concert—and Charlotte looked so grown up as she made her holiday performance debut at the annual Westminster Abbey event.
It’s no secret Kate is a talented piano player, tickling the ivories during her inaugural “Together at Christmas” celebration in 2021 alongside Tom Walker for a duet of “For Those Who Can’t Be Here,” as well as in 2023 in a pre-recorded show for the Eurovision Song Contest. And at this year’s carol concert, which was filmed on December 5 and aired on Christmas Eve, the Princess of Wales got back behind the piano with her daughter by her side.

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Princess Charlotte of Wales, Prince Louis of Wales and their mother Catherine, Princess of Wales attend the fifth annual “Together At Christmas” Carol Service” at Westminster Abbey in London on December 5, 2025
In a new video shared on December 24 on Kate and Prince William’s Instagram account, Charlotte showed she was following in her mom’s musical footsteps as she played Holm Sound Erland Cooper during a special recital opening this year’s “Together at Christmas.” The young royal paid homage to her late grandmother Princess Diana, pairing a navy blue velvet dress with a white lace collar, navy blue tights, and patent leather flats. She wore her hair styled half up with a large black bow—a nod to one of her mom’s favorite accessories.

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Prince William, Prince of Wales, Princess Charlotte of Wales and Catherine, Princess of Wales attend a Christmas Lunch for members of the Royal Family, hosted by King Charles III, at Buckingham Palace on December 16
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Catherine, Princess of Wales and Princess Charlotte attend the Christmas Morning Service at Sandringham Church on December 25, 2023
In the video of the public performance, the poised burgeoning pianist looked like stage fright was the furthest thing from her mind, smiling and looking at her mom as they played together. Kate first hinted at a potential appearance from Charlotte on Tuesday, sharing a video clip of her hands with her sapphire and diamond engagement ring playing the piano alongside a set of children’s hands. And judging from how well their duet went, it looks like this won’t be the last time the mom-daughter pair perform together.
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