Kate Middleton extremely proud of Louis' sweet act to help surprise Charlotte

The was reportedly very proud of little as he was able to keep a secret in order to surprise .

, 43, told her youngest child she had arranged a secret ballet performance for his sister at the Together At carol service last year. It has now emerged Louis, then aged just six, managed to keep it quiet from Charlotte to ensure his sibling was wowed on the night of the event.

The dancers were part of several acts to impress guests at Westminster Abbey, where the Princess of Wales hosts the function every year. In 2024, Kate asked Lady Gabriella Windsor, 45, for advice on what to include on the running order - after .

But, just like 10-year-old Charlotte, Lady Windsor was unaware ballet dancers were to perform at the event. Lady Windsor, known fondly as Ella, said: "There were surprises for everyone, even the people involved."

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Speaking to , Lady Windsor continued: "It was a very special idea of hers to include ballet dancers at the concert – I didn’t know that there would be children as well as adult dancers, all brightly and beautifully dressed as they danced through the abbey. It was a wonderful gathering of creative people, and it was extremely moving. I loved it and I was really touched to be asked. It was very kind of her."

And the publication details how Louis was tasked to keep shtum so Charlotte could be dazzled by the performers. The six-year-old boy, known for his cheeky moments at royal public appearances, was true to his word. The article in HELLO! reads: "Despite working closely with the Princess of Wales, not even Ella knew everything about the finer details of the big event before the actual night. Kate told Prince Louis that she had arranged a secret ballet performance for Princess Charlotte to enjoy, and was extremely proud that her son, then six, had managed to keep it quiet from his big sister until the evening of the event."

Lady Windsor, a huge music enthusiast, put forward names of artists for Princess Kate to consider. Two of these; Gregory Porter and Rosey Chan; were particularly impressive, Ella told the publication. She added: "Two of the school bands played Christmas classics to guests as they arrived at the Abbey which the guests loved. The students also really enjoyed it... As did Gregory Porter and Rosey Chan, who were some of the other artists I put forward. It was very positive all around."

The royal, who is the King's second cousin, recently became patron of the charity Restore The Music, which supports state school music departments in the UK.