LONDON, ENGLAND - MAY 02: Prince William, Duke of Cambridge arrives with Prince George of Cambridge at the Lindo Wing following the birth his second child at St Mary's Hospital on May 2, 2015 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - MAY 02: Prince William, Duke of Cambridge arrives with Prince George of Cambridge at the Lindo Wing following the birth his second child at St Mary's Hospital on May 2, 2015 in London, England. (Photo by Samir Hussein/WireImage)