Britain's Prince William and Kate, Duchess of Cambridge hold the Prince of Cambridge, Tuesday July 23, 2013, as they pose for photographers outside St. Mary's Hospital exclusive Lindo Wing in London where the Duchess gave birth on Monday July 22. The boy, who is third in line to the British throne, has since been named George Alexander Louis by his parents and will be known as Prince George of Cambridge.,Image: 589855798, License: Rights-managed, Restrictions: This content is intended for editorial use only. For other uses, additional clearances may be required., Model Release: no, Pictured: Kate Middleton,Prince George,Prince William, Credit line: Lefteris Pitarakis / AP / Profimedia