Fans are assuming the high prices are because of what is referred to as dynamic pricing, a system that allows companies to raise prices in real-time based on demand. In addition to dynamic pricing, bots, fraudsters, and resellers can contribute to the astronomical ticket prices, costing fans more than just a pretty penny.

Fans Little Monsters can purchase tickets for all upcoming North American Lady Gaga shows on sites like Vivid Seats; the official on-sale for the first batch of ‘Mayhem Ball Tour’ shows is Thursday, April 3. Vivid Seats is a secondary market ticketing platform, and prices may be higher or lower than face value, depending on demand.

London’s Lady Gaga fans, now you can breathe. After intense speculation that Gaga was about to announce a string of huge London shows, now she’s done exactly that: the Mayhem Ball will officially be coming to the capital’s O2 Arena later this year.