Lady Gaga's concert in Rio de Janeiro. Behind the scenes, however, the mega-event wasn't entirely uncomplicated. The singer ...

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

Lady Gaga performed to a record-breaking crowd Saturday in Rio De Janeiro as an estimated 2.5 million people attended the ...

Lady Gaga has performed the biggest concert of her career. The “Abracadrabra” singer held a free concert on Saturday night in ...

The suspects -- one adult male detained in Rio Grande do Sul and a teenager arrested in Rio de Janeiro -- are both reported ...

Brazilian police say they have thwarted a plot to detonate a bomb at Lady Gaga’s concert the night before in Rio de Janeiro, ...

May 4 (UPI) -- U.S. pop star Lady Gaga has set the record for the largest concert in history.

A sea of people filled Rio de Janeiro’s Copacabana beach on Saturday as pop superstar Lady Gaga played a colossal free ...

Lady Gaga performed to a record-breaking crowd during her free concert at Copacabana Beach in Rio de Janeiro, Brazil, on ...

Brazilian police said they had prevented a bomb attack during Saturday night's free Lady Gaga concert on Copacabana beach in ...