VATICAN CITY, VATICAN - APRIL 27:  Maria Teresa of Luxembourg (L), King Juan Carlos and Queen Sofia of Spain (R) attend the Canonization Mass in which John Paul II and John XXIII are to be declared saints on April 27, 2014 in Vatican City, Vatican. Dignitaries, heads of state and Royals from Europe and across the World attended the canonisations.  (Photo by Franco Origlia/Getty Images)