Lady Gaga's Mayhem Ball kicked off in Las Vegas with a glorious mix of theater and powerhouse vocals. We take you inside the first show.

Lady Gaga kicked off her 'The MAYHEM Ball Tour' last night at T-Mobile Arena in Las Vegas.

Lady Gaga embarked on her highly anticipated Mayhem Ball this week, with the first stop being at the T-Mobile Arena in Las Vegas, Nevada. The pop superstar delivered an unforgettable set of songs ...

Lady Gaga ’s Mayhem Ball Tour is officially underway. Supporting her chart-topping album, Gaga is hitting cities across North America, Europe, and the U.K., marking her first full arena tour since ...

The Mayhem Ball got underway on Wednesday, July 16, with the opening show of a three-night stand at T-Mobile Arena near Las Vegas, where Lady Gaga treated fans to a crowd-pleasing mix of timeless ...

The Mayhem Ball got underway on Wednesday, July 16, with the opening show of a three-night stand at T-Mobile Arena near Las Vegas, where Lady Gaga treated fans to a crowd-pleasing mix of timeless hits ...

The Mayhem Ball got underway on Wednesday, July 16, with the opening show of a three-night stand at T-Mobile Arena near Las Vegas, where Lady Gaga treated fans to a crowd-pleasing mix of timeless hits ...