09/15/2011 06:22 am ET Updated Jul 18, 2012

Prince Harry Turns 27: A Look Back At The Royal Goofball's Cutest Moments (PHOTOS)

Prince Harry is known as the goofball -- the partier, the jokester, the one making a fool of himself and making everyone laugh.

So in honor of the British royal's 27th birthday, we're looking back at some of his goofiest and also sweetest moments. From trekking across the Arctic and playing polo in New York to serving his country in Afghanistan and partying in Croatia, Prince Harry has had plenty of adventures.

Click through below to see the prince through the years, from his boyhood days with Princess Diana to time spent with his new sister-in-law, Catherine.

Happy 27th birthday, Prince Harry!

Prince Harry's Cutest Moments