Lady Gaga’s Mayhem Ball has officially hit stages across the world, from Coachella to her record-breaking Copacabana show ...

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 ...

Lady Gaga suffered a nasty fall while performing in Las Vegas over the weekend — but recovered like a pro, as seen in a viral ...

Katy Perry shares sweet message to Lady Gaga after attending ¡VIVA LA MAYHEM! in Mexico tonight 🇲🇽 "Show was MAGNIFICA! The dress! The sand! Every moment was theee moment. So proud of you ...

Lady Gaga was the latest artist to experience an onstage glitch. The actress and singer has been on tour over the past weeks, ...

Lady Gaga's fans had their heart in their mouths after the pop star had a scary blunder while she was performing in Las Vegas ...

Katy Perry has teased that she will be embarking on a 'massive tour' by the end of the year, but fans are skeptical.

Among the concert tours hitting Seattle over the next three weeks: Lady Gaga, Death Cab for Cutie, Katy Perry, Paul Simon and ...

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.