What a cutie.
However, being the 1D stans that we are, all we could think is, 'You named him after Louis Tomlinson,' and we've never been more proud of our Doncaster prince.
And we weren't alone!
But it wasn't just fans going HAM over the name, Louis himself was absolutely chuffed. So chuffed, that he directly tweeted little Prince Louis.
"Young Louis welcome to the world. I’ll take you under my wing lad. The Adidas tracksuit is in the post!"
We all know what a good impression Louis would have made on the Duchess when meeting her in 2017... we mean, just look: