VATICAN CITY, VATICAN - APRIL 26:  Pilgrims from around the world decend on St Peter's Square on April 26, 2014 in Vatican City, Vatican. Dignitaries, heads of state and Royals from Europe and across the World are gathering in the Vatican ahead of tomorrow's canonisations. The late Pope John Paul II and Pope John XXIII will be canonised on Sunday April 27, inside the Vatican when 800,000 pilgrims from around the world are expected to attend.   (Photo by Dan Kitwood/Getty Images)