PEOPLE Prince Louis!

And then they were five! On April 23, 2018, Prince William and Kate Middleton added another son to their family: Prince Louis Arthur Charles of Cambridge. A new baby is always a cause of great joy, but a new little Windsor is a cause for celebration for royal-watchers around the world. People 's new Commemorative Edition, William, Kate & Family Welcome Prince Louis , is filled to the bonnet with the latest royal fare, presenting baby Louis's first pictures with his parents, and the most ador