Among the other hot-ticket concert tours hitting Seattle over the next three weeks: Death Cab for Cutie, Katy Perry, Paul ...

Lady Gaga's Little Monsters in the New York area will have a chance to see the pop star live during the "MAYHEM Ball." Here's ...

On Sunday night, Katy Perry was spotted in the crowd at Lady Gaga’s concert in Mexico City, a day after Perry’s performance there.

Katy Perry loves sharing her woman’s world with Lady Gaga. In the crowd at Mother Monster’s ¡Viva La Mayhem! concert in Mexico City Saturday (April 26), the “Firework” singer was one of ...

Currently, the cheapest ticket we could find for Lady Gaga’s Las Vegas show on July 16 is $172 on Viagogo. For her July 18 ...

Katy Perry brought her Lifetimes Tour to PHX Arena on July 12. It was a sci-fi fever dream with "Roar," "Firework," "I Kissed ...

The Complete Collection, which earned five #1 singles on the music charts, is climbing up the charts once more.

Diane Warren revealed she wishes Linda Perry hadn't publicly voiced her opinion on Lady Gaga's writing credit on "Til It Happens to You" Perry apologized and deleted tweets about it back in 2016 ...

Lady Gaga starts off her international tour by reading an emotional letter to her fans, followed by the debut of 'Blade of Grass,' which she wrote for her fiancé, Michael Polansky. Katy Perry ...

Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga 's Sunday night concert in Mexico City at Estadio GNP Seguros.

Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga 's Sunday night concert in Mexico City at Estadio GNP Seguros.