Royal fan-favourite Prince Louis left social media users in stitches after making an adorable mistake during the Coronation service.
The five-year-old was sat with his parents and siblings when he appeared to accidentally sing 'God Save The Queen' at the end of the service.
The lyrics were changed to 'God Save The King' in September, after Queen Elizabeth had passed away at Balmoral Castle, writes the Mirror.
One royal fan tweeted: "Prince Louis sang Queen instead of King bless him #Coronation"
Another wrote: "Prince Louis singing "God Save the Queen" has made my day. He's back!"
A third added: "Prince Louis saying "God save the Queen" during the national anthem is the most iconic moment of this spectacle!"
While many certainly noticed the young Prince's presence when he was attending the ceremony, some may not have noticed that he briefly disappeared.
It has been revealed that it was planned for the five-year-old prince to 'retire' during the service due to his young age.
Earlier on, he was seen yawning and fidgeting during the service for his grandfather the King’s coronation.
The five-year-old royal attended Westminster Abbey with his parents the Prince and Princess of Wales and siblings Prince George and Princess Charlotte.
During the first half of the ceremony, he could be seen letting out a big yawn, while also taking the opportunity to point out something of interest to his sister Charlotte.
He yawned again shortly after the King was crowned, just after midday.
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