Lady Gaga is causing quite a bit of ‘Mayhem.’ Due to overwhelming demand, the 14-time Grammy winner has added a number of shows to her forthcoming ‘Mayhem Ball World Tour.’ That includes three (!) additional gigs at New York City’s Madison Square Garden.

Lady Gaga’s ‘The Mayhem Ball’ tour expanded with 13 dates this week—but the entire tour is now sold out. New dates were added in Manchester, Stockholm, Las Vegas, Seattle, Miami, Toronto, Chicago, Barcelona,

Lady Gaga is bringing her "Mayhem Ball" tour to Las Vegas. Here's how to get the best and most affordable tickets to see the pop diva at T-Mobile Arena this summer.