Prince Louis blew out Charlotte’s candle outside Westminster Abbey last year (Image: GETTY)
was pictured playing a very cheeky stunt at the ‘s Christmas carol concert last year.
The young royal, who was five at the time, was spotted alongside his two older siblings supporting their mum at the annual festive event.
Princess Kate, who is also mum to , 11, and , nine, looked delighted at being joined at the special event by her husband and their three adorable children.
Being up to his mischievous nature, Louis didn’t disappoint fans when it came to putting on a very cheeky display as he was spotted blowing out his sister’s candle as the family walked outside Westminster Abbey.
Appearing amused by her little brother, Charlotte – Kate and William’s only daughter – erupted into a fit of laughter.
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Last year’s service was focused on a cause close to Princess Kate’s heart, after she had launched the Shaping Us campaign at the start of the year.
Despite her cancer diagnosis earlier this year – and having completed her treatment back in September – Kate’s annual festive service is set to take place at Westminster Abbey next week.
Much like last year, George, Charlotte and Louis are – as is their dad .
Although it will take place next week, the service will not be televised until Christmas Eve.
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Princess Kate looked delighted to be joined by her children and husband (Image: GETTY)
A poll conducted by Express.co.uk asked fans whether they believe .
The poll, which saw 4,379 votes, showed that many fans share an opinion that and should not be invited.
Having relocated to the US in 2020, Meghan and Harry have never attended the festive event – which, as well as the royals, is also typically attended by some members of Kate’s family.