The images were snapped by the proud mum herself at their home in Nolfolk and released by Kensington Palace.
And while the adorable photographs capture Prince Louis sporting a big and cheeky smile, fans have noticed something else which has caused great debate on social media.
"I can see a mixture of George and Charlotte," one follower commented.
Meanwhile, other's think the tot looks more like his parents, William and Kate.
"I think he looks like Kate with that smile," another follower shared to which another agreed writing: "He is all Kate."
"He reminds me of the Duke of York. And obviously, Prince William," reads another comment.
So, who do you think Louis looks like?