"She looks like she could eat that girl for lunch" - Fans mistake Lady Gaga for Billie Eilish as video of her Mayhem Ball performance goes viral Pop superstar Lady Gaga kicked off her highly anticipated Mayhem Ball tour on Wednesday, July 16, 2025, at the T-Mobile Arena in Paradise, Nevada.

Lady Gaga has been varying degrees of “so back” since the Mayhem era began. From the opening dark pop synths on "Disease," to the "Abracadabra" music video hard-coded into the 2025 Grammys broadcast,