Lady Gaga launched The Mayhem Ball Tour at T-Mobile Arena near Las Vegas. Here's every concert date, the 2025 setlist and opening act information.

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

Here's every song Lady Gaga sang when she launched her Mayhem Ball tour 2025 in Las Vegas, including "Poker Face," "LoveDrug" and "Bad Romance." ...

WATCH: Lady Gaga performs 2000s classic Poker Face at MAYHEM Ball Tour opening night Lady Gaga kicked off her MAYHEM Ball Tour at Las Vegas' T-Mobile Arena on July 16.