Pope Leo XIV Holds Inauguration Mass In St. Peter's Square

VATICAN CITY, VATICAN - MAY 18: Grand Duke Henri of Luxembourg and Grand Duchess Maria Teresa of Luxembourg arrive ahead of the Inauguration Mass of Pope Leo XIV in St Peter's Square on May 18, 2025 in Vatican City, Vatican. Pope Leo XIV (formerly Cardinal Robert Francis Prevost) presided over his inauguration mass in St Peter's Square after his election on May 8th. (Photo by Sean Gallup/Getty Images)