Pope Francis celebrates his inauguration mass at the Vatican

Henri, Grand Duke of Luxembourg and Duchess Maria Teresa (L) Prince Albert II of Monaco, Princess Charlene of Monaco (C) King Albert II of Belgium and Queen Paola of Belgium (R) attend as Pope Francis celebrates his inauguration mass at at the Vatican on March 19, 2013 in Vatican City. A crowd of one million people were in St Peter's Square and the surrounding streets for the mass. Latin America's first pope was joined by world leaders and now leads and estimated 1.3 billion Catholics. UPI/Stefano Spaziani