OK! Online spoke to author and body language analyst Judi James, who said the pictures are showing a "relaxing of protocol and status rules in the royal family". The latest photo, taken by photographer Matt Porteous, shows the baby flashing a huge grin while in the arms of his proud mother, Kate Middleton.
The adorable snap was taken after the christening in the gardens of Clarence House.
(Seated left to right): Prince George, The Duke of Cambridge, Prince Louis, The Duchess of Cambridge, Princess Charlotte.
A larger group photo included Kate's parents, Carole and Michael, and her siblings, Pippa Middleton and James William Middleton.
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A sweet standing shot of the Cambridges has cutie Charlotte holding on to her baby brother's Honiton lace christening robe - the same one she and George wore at their baptisms - while her big brother poses with one hand in his pocket. The christening was the first time the Duke and Duchess of Cambridge and their three children had been seen together as a family of five.
It was released along with several other family photos taken by British photographer, Matt Holyoak.
Looks like Princess Charlotte may have some competition for the title of royal scene-stealer.
By now, you've likely seen the official portraits from Prince Louis' christening.
Another, more candid photograph, captures the Duchess of Cambridge cradling her newborn son.