The caption accompanying the portrait, shared to William and Kate’s Instagram account April 23, read, “Wishing Prince Louis a very Happy 7th Birthday ... Thank you to everyone for your ...

Prince Louis is celebrating his 7th birthday ... blue and green plaid shirt. "Happy 6th Birthday, Prince Louis! 🎂," the royals captioned photo. "Thank you for all the kind wishes today." ...

The Prince and Princess of Wales captioned the photo simply with: "Wishing Prince Louis a very Happy 7th Birthday ... young man. You are growing up so fast. Have a wonderful birthday ️🎂 ...

The relationships you have with your cousins are something special. They might be the siblings you never had or the family living far away who you were always thrilled to see at the holidays ...