And while Charlotte was all smiles, George showed off his shy side.
Looking like a little grown-up in his collared button-up shirt, black belt and ankle socks (a noticeable departure from his go-to knee socks!), George got a little pep talk from William, who demonstrating his ultimate dad move, the squat and chat!
The royal family was adorably color-coordinated with matching red details, in honor of Poland’s national colors. And while George is still wearing shorts — as is customary for upper-class boys — he has upgraded his sock choice from knee-length to a mature ankle-length.
“Boys wear short trousers until they are 8,” Editor-in-Chief of Majesty magazine Ingrid Seward previously told PEOPLE. “It is very English.”
Graduating to long pants is a notable moment for young kids. “It is shorts until you’re 8 and then ‘woo, you’re in long trousers,’ ” says Seward. “They suddenly feel very grown up.”
The same was true for George’s father. “Prince William didn’t wear long trousers until he went to school at Ludgrove at the age of 8 or 9,” says Seward.Read more at PeopleTVwatch