Britain's Prince Charles waves as he leaves St. Mary's Hospital exclusive Lindo Wing in London, Tuesday, July 23, 2013 with his wife Camilla, Duchess of Cornwall, where Kate, Duchess of Cambridge, gave birth to a baby boy on Monday July 22. The royal couple are expected to head to London's Kensington Palace from the hospital with their newly born son, the third in line to the British throne. (AP Photo/Lefteris Pitarakis), APTOPIX