The fourth in line to the throne by christened by Archbishop of Canterbury Justin Welby at the Church of St Mary Magdalene at the Sandringham Estate on Sunday, 5 July.
The late Princess Diana's favourite photographer Mr Testino was on hand to capture the special moment – and now the pictures have been released!
Kensington Palace shared four absolutely beautiful images to Twitter on Thursday afternoon (9 July), showing Kate, William and Charlotte surrounded by family including their son Prince George, nearly two, and The Queen.
In one image the family of four is seated next to The Queen while Kate's parents Michael and Carole and her siblings Pippa and James stand to one side, while Prince Charles, Camilla and Prince Phillip stand to the other.
Another image shows Kate lovingly staring at her daughter in the drawing room at Sandringham House, while a third features William, Kate and both their children in the gardens.
A final image shows a laughing George in his dad's arms.
Kensington Palace's official account tweeted ahead of unveiling the images: "We're about to share some very special christening photos by Mario Testino. Thanks so much for all the lovely messages in recent days!"
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