Aguilera performs at Monaco's 20th-anniversary environmental gala
Christina Aguilera performed at the 20th-anniversary gala of the Prince Albert II of Monaco Foundation on September 18, 2026, at the Opéra de Monte-Carlo. The event celebrated two decades of environmental work, featuring a star-studded guest list and live performances by Aguilera, Plácido Domingo, and Sister Sledge.