The Art of Personal Chaos was a series of concerts by American singer Lady Gaga in support of her eighth studio album, Mayhem (2025), beginning with promotional performances in April and May 2025 and continuing with her eighth concert tour, the Mayhem Ball, from July 2025 to April 2026. The series began with Gaga's headlining performances at the Coachella festival on April 11 and 18, followed by concerts in Mexico, Brazil, and Singapore, marking her first performances in those countries since the Born This Way Ball in 2012. Her free concert at Copacabana Beach in Rio de Janeiro attracted an estimated 2.5 million people, becoming the largest performance of her career and the most-attended concert by a female artist. The Mayhem Ball began on July 16, 2025, at T-Mobile Arena in Paradise, Nevada, and concluded on April 13, 2026, at Madison Square Garden in New York City, spanning 86 shows across Asia, Europe, North America, and Oceania.