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Prince George just keeps getting cuter every day! Kensington Palace released a new photo of the little royal on their Instagram on Tuesday, just one day before his 2nd birthday. The photo, which was also shared on the photographer Mario Testino's Instagram [2], shows George flashing a huge smile while goofing around in Prince William's arms on the day of Princess Charlotte's July 5 christening [3]. The palace captioned the photo, "Look who's turning two tomorrow! #HappyBirthdayPrinceGeorge."

George's smile proves that he's having a pretty amazing Summer so far. Besides turning 2 years old on July 22 [4], he's also been busy with playdates with his mom, Kate Middleton [5], charming the entire world with his facial expressions [6], and attending official functions with his family. See the sweet photo above, then check out more adorable photos of George and Charlotte [7].