Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the thronePrince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge depart The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge posing to media outside The Lindo Wing with their newborn girl at St Mary’s Hospital in London, England on May 2, 2015. The baby, as yet unnamed, is forth in line to the throne.Britain’s Prince William, Duke of Cambridge, gestures with two fingers, as he prepares to drives his wife Catherine, Duchess of Cambridge and their newly-born daughter, their second child, away from the Lindo Wing at St Mary’s Hospital in central London, on May 2, 2015