Katy Perry is bringing her Lifetimes Tour to the US tonight, kicking off in Houston at the Toyota Center — and fans will get a chance to be a part of the interactive event.

The 14-time Grammy Award winner brought an estimated 2.5 million fans to Rio de Janeiro's Copacabana Beach Saturday night.

Victor Nascimento and eight friends started planning as soon as they heard Lady Gaga was going to Rio de Janeiro. They booked ...

At 10:10 p.m., with a 25-minute delay, Lady Gaga took the stage at Todo Mundo No Rio in Brazil and gave a performance lasting ...

Lady Gaga made a triumphant return to the stage this weekend, treating fans in Brazil to a record-breaking free concert. On Saturday night (3 May), the 14-time Grammy winner lit up Rio de Janeiro’s ...

Lady Gaga broke the record for the highest-attended concert by a female artist in history on May 3, drawing an estimated ...

Behind his large studded sunglasses, Victor Faro's eyes were glued on the luxury hotel overlooking Copacabana beach where US superstar Lady Gaga is staying ahead of her free mega-concert in Rio de ...

Fan Girl Cafe in West Hollywood continues the legacy of its venue's predecessors, P.J.'s and Starwood, by focusing on playing ...

Katy Perry is singing the praises of fellow pop superstar Lady Gaga after catching her brand new tour. The "Firework" singer ...

Katy Perry enjoyed an evening at Lady Gaga’s Mayhem Tour in Mexico City, praising the 14-time Grammy award winner on putting ...

Lady Gaga’s Mexico concerts were a dream come true moment for her fans!After performing two spectacular Viva La Mayhem ...

Lady Gaga came back to perform in Mexico City after a 13-year-long break, and Katy Perry was there to support her.