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

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 ...

While news headlines have been focusing on the thwarted bomb plot at the Lady Gaga concert in Brazil, we have to marvel at ...

Lady Gaga performed a free concert on Copacabana Beach on Saturday night, the second such show in as many years organized by ...

Lady Gaga gave a free concert on Copacabana Beach Saturday night, the second such show in as many years organized by 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.

Katy Perry was spotted in the crowd watching Lady Gaga in Mexico City after her own tour was hit with disaster as she was ...

Katy Perry took a break from her own tour to show some love for Lady Gaga during a packed concert in Mexico City over the ...