Britain's Prince William holds his baby son outside the Lindo Wing of St Mary's Hospital before leaving with Catherine, Duchess of Cambridge, in central London

Britain’s Prince William holds his baby son outside the Lindo Wing of St Mary’s Hospital before leaving with Catherine, Duchess of Cambridge (L), in central London July 23, 2013. Kate gave birth to the couple’s first child, who is third in line to the British throne, on Monday afternoon, ending weeks of feverish anticipation about the arrival of the royal baby. REUTERS/John Stillwell/POOL (BRITAIN – Tags: ROYALS ENTERTAINMENT HEALTH) – RTX11WI2