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

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.

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 ...

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

Lady Gaga took a tumble during her performance in Las Vegas as part of The Mayhem Ball tour but she quickly styled it out and ...

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

Aside from the singer's small slip, the Mayhem Ball tour has kicked off without a hitch. Gaga opened the trek July 16 in ...

Pop superstar Katy Perry and former Canadian Prime Minister Justin Trudeau were spotted having dinner together at a Montreal ...

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

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 ...