A fourth commented: “She looks just like her dad!”

One person commented: “She looks so much like William!” and another excitedly said: “Oh wow she looks like her dad now!”

Someone else shared: “Happy 10th Birthday Princess Charlotte. Looking more like your daddy every day!”

Another social media user added: “She has same smile of her father at 10 years old. His mini me forever!”

People made similar comments when Louis’ birthday photo was shared — many thought he looked just like Kate’s father, Michael Middleton.

One person on X posted: “Prince Louis looks like his grandpa Michael Middleton,” while another said: “Happy Birthday, Prince Louis!!!! Middleton genes are on full display!!!”

A third wrote: “What a cutie,” and added, “he is Papa Middleton’s little twin!”

Fans also noticed how much Louis had grown. Someone commented: “He’s suddenly all grown up. Happy birthday to Prince Louis!!”

Another wrote: “Wow, so grown up all of a sudden! Happy Birthday Louis,” and one more user added: “Wow! 7 y/o already!? Time flies!”

It really does.