Although Sunday's christening marked a special occasion for Princess Charlotte, her big brother stole the spotlight with his adorable facial expressions. Prince George couldn't have been cuter as he walked hand in hand with his parents, Prince William and Kate Middleton, as they made their way to the church with Princess Charlotte in her pram [1]. Sporting a sweet outfit very similar to one Prince William wore when he was little, Prince George waved to the crowd, peeked into the pram to glance at his sister, and chatted with his grandmother Queen Elizabeth II as they stood outside the Church of St. Mary Magdalene on Queen Elizabeth II's Sandringham Estate.

Keep reading to see the cutest pictures of Prince George during the royal outing, then check out all the pictures from Princess Charlotte's christening [2] and find out which five people were honored as Princess Charlotte's godparents [3].