Lady Gaga headlines 2025 Coachella, bringing together a mix of her gothic and mayhemic music. The Gaga effect is real.

Katy Perry supported Lady Gaga at her Mexico City concert on Sunday, April 27, days after Perry launched her Lifetimes Tour.

Katy Perry loves sharing her woman's world with Lady Gaga. In the crowd at Mother Monster's ¡Viva La Mayhem! concert in ...