If you're not smiling from ear to ear right now, you are probably a Deatheater and should go back to Azkaban Prison (too early in the morning for a Harry Potter ref? Sorry.)
But seriously, Prince George...what a guy! Even though it's HIS brithday tomorrow, he's giving us the gift of perhaps the largest, toothiest grin we've ever seen from him. (Even though we do rather love those frowns of yours, G.)
The pic is a shot from the Princess Charlotte christening shoot with the famed Mario Testino,and yes, he and his dad are basically clones.