George, Charlotte and Louis made an appearance too!
The 5-year-old royal also has another connection to Serena Williams.
The 1-year-old was royally excited during the Trooping the Colour ceremony.
Kate Middleton has previously called the young princess "Lottie."
Prince William recently revealed the fun fact.
Newlyweds Princess Eugenie and Jack Brooksbank didn't seem to mind.
His royal highness turns 6 on Monday.
Happy birthday to the future king!
Prince William and Duchess Kate celebrated their son Prince Louis' christening as his big brother and sister looked on.
All eyes were on George and Savannah Phillips at the Trooping the Colour.
Here’s how Harry and Meghan are making sure the flowers from their wedding aren’t going to waste 👏🏻🇬🇧💐
Prince Harry and Meghan Markle's modern wedding ceremony ushered in a new era for the British royal family.
George was a page boy, Charlotte was a bridesmaid and they were both ADORABLE.
How cute is baby Louis?
Big sister Princess Charlotte made an appearance, too!
"I consider George this character I’m writing for that I love writing for," says Gary Janetti.
The Duke and Duchess of Cambridge’s daughter Charlotte Elizabeth Diana is now three years old.
Welcome Prince Louis Arthur Charles!
While discussing their kids, the couple have touched on mental health, masculinity and more.
It's a big day for Princess Charlotte, and not just because she gained a sibling.