On Wednesday (July 16) night at Las Vegas' T-Mobile Arena (technically in Paradise, Nevada), Lady Gaga ushered in a new touring era, officially kicking off the Mayhem Ball (in support of her Billboard 200-topping album Mayhem, naturally) to a sold-out crowd.

Lady Gaga is kicking off her 2025 “Mayhem Ball” tour Wednesday night in Las Vegas, and fans nationwide and around the world are following reports out of the T-Mobile Arena to find out what she’s performing and how it does or doesn’t differ from the handful of pre-“Ball” she performed earlier this year.