The new Prince of Cambridge was introduced to the world today.
The Duchess held her son first and the couple looked relaxed and smiled broadly as the world's media captured the moment.
The Royal baby's fingers clasped and unclasped in what looked almost like his first royal wave.
Speaking outside the hospital, William and Kate said they felt "very emotional".
The royal baby appeared to wave as he was introduced to the crowds outside the hospital for the first time.
The Duke and Duchess of Cambridge proudly showed the world their baby son, a future king, before taking him home tonight.