Madonna performs at Copacabana Beach in Rio de Janeiro

American pop music star Madonna performed before an estimated 1.6 million people on Saturday at Brazil's famous Copacabana Beach. The outdoor show in Rio de Janeiro was free to attend.

Madonna performs for 1.6 million fans in Rio de Janeiro, Brazil : NPR. Madonna performs for 1.6 million fans in Rio de Janeiro, Brazil The last show of the pop icon's "Celebration" retrospective tour brought over a million and a half fans to Rio de Janeiro's famed Copacabana Beach on Saturday night.

Madonna's biggest concert brings estimated 1.6 million to Rio's Copacabana beach. Madonna put on a free concert on Copacabana beach Saturday night, turning Rio de Janeiro's vast stretch of sand into an enormous dance floor teeming with a multitude of her fans.