VATICAN CITY, VATICAN - APRIL 10: American singer Patti Smith (C) poses for a picture with photographers as she leaves St. Peter's square at the end of Pope Francis' weekly audience on April 10, 2013 in Vatican City, Vatican. At the end of this morning's catechesis, the Pontiff made an appeal for those affected by the powerful earthquake in southern Iran. (Photo by Franco Origlia/Getty Images)
