Just ahead of his fourth birthday on July 22, Prince George debuted a new look on his second royal tour when he arrived in Warsaw, Poland. The future king changed up his look on Monday, July 17 sporting ankle socks with a plaid, button-down shirt, navy shorts, and his Start-Rite’s John shoes.The royal tot's choice in hosiery is a change from his trademark knee high socks that he is often pictured wearing. Photo: Chris Jackson/Getty Images