One more official photograph from Prince Louis' christening has been released - and it's our favourite!

Kate Middleton and Prince William have released an additional photograph from Prince Louis' christening ... and it's easy to see why they wanted to share it with the world.

It is completely adorable!!!

Pictured in the arms of his mother, the two-month-old royal tot can be seen giggling with a beaming smile.

The photo - which was taken by Matt Holyoak, one of the world’s leading portrait photographers - was released on the official Kensington Palace Instagram account alongside the caption: "The Duke and Duchess of Cambridge have released an additional photograph taken following the christening of Prince Louis."

"The Duke and Duchess hope that everyone enjoys this lovely photograph of Prince Louis as much as they do."

The latest snap comes after they released four official photographs from the christening yesterday.

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• The official portraits from Prince Louis' christening have been released - and they are stunning!

Speaking about the photographs Holyoak said: "I was truly honoured at being asked to take the official photographs at the christening of Prince Louis, and to witness at first hand such a happy event."

"Everyone was so relaxed and in such good spirits, it was an absolute pleasure. I only hope I have captured some of that joy in my photographs."

The royal newborn was baptised by the Archbishop of Canterbury, the Most Reverend Justin Welby in a 40 minute service, wearing the same christening gown as his siblings.