As the leader of Vatican City, he is the head of a sovereign nation. But maintaining dual citizenship as a foreign head of state can “raise complex questions of international law,” according to the State Department.

Harry Styles, 31, was seemingly spotted by fans in the crowd gathered in Saint Peter's Square in the Vatican on Thursday, May 8, when Pope Leo XIV was named as the late Pope Francis' successor.

A papal conclave is set to begin in Vatican City starting May 7, during which cardinals from around the world will elect the next leader of the Roman Catholic church. The tradition occurs any time a pope dies or resigns from the office. Pope Francis died April 21, the day after Easter.