Can you believe Prince George is already 6 years old?! It seems like just yesterday when Kensington Palace announced that Kate Middleton was pregnant and having her first child with Prince William.

Since then, the adorable — and totally hilarious — kiddo, who is celebrating his birthday on Monday, July 22, has been keeping us entertained with the royal shenanigans we love him for. Whether he’s teasing younger siblings Princess Charlotte and Prince Louis, playing on the balcony of Buckingham Palace or making funny faces at prestigious events, the royal youngster has kept fans cracking up ever since he was born in 2013.

Are you in the mood to reminisce on the Prince George’s funniest pranks? If so, scroll through the gallery below at all the little guy’s LOL-worthy moments through the years!