Three months after his birth, Prince George was christened today in London. Since we last saw him, the little guy has grown — especially in his cheeks — and we're staring to see some personality and family resemblance. So let's examine it further with a look back at the Duke and Duchess of Cambridge as kids, including William's first photo op with Princess Diana and Prince Charles. While Kate never had a public photo session after her birth, her family did document her adorable tot years through home snapshots. Click through to see Will and Kate as kids!