Rio Concert

Lady Gaga rocked Rio de Janeiro's Copacabana Beach on Saturday with a free mega-concert that the Brazilian city said drew about two million fans. "Brazil, I missed you so much," screamed the American pop star -- in her first Brazil gig since 2012 -- before launching into "Poker Face" on a monumental chessboard, one of many grandiose backdrops in the two-hour extravaganza. The 39-year-old singer kicked off the concert perched more than two meters (6.5 feet) above the stage, sporting a massive s