Look at him go! Kate Middleton and Prince William shared Prince George's new official portrait with the world on Saturday, and today they revealed two more. Wearing seersucker overalls and a blue polo, little George is pictured walking  with his arms up and focusing on a butterfly alongside his parents in others. The adorable moments were captured at the Sensational Butterflies exhibition at London's Natural History Museum, which the family visited in June. As is typically the case for the English royals, official portraits of George commemorate milestones. His last portrait  was released in March before George's first royal tour , and this latest image comes just four days before the royal baby's first birthday, which is on Tuesday. William and Kate also shared a statement to mark the occasion: "We would like to take this opportunity on George's first birthday to thank everyone over the last year, wherever we have met them, both at home and overseas, for their warm and generous good wishes to George and our family."
The new picture marks the first time we've caught a glimpse of George since Father's Day , when he crawled at Prince William's polo match . Although we haven't seen much of George in recent months, the royal family has revealed a lot  about him in the past year. Earlier this month, William opened up about the family's morning routine , saying he listens to the radio while feeding George.