Singers Lopez, Pitbull and Leitte perform during the opening ceremony of the 2014 World Cup at the Corinthians arena in Sao Paulo

(L-R) Singers Jennifer Lopez, Pitbull and Claudia Leitte perform during the opening ceremony of the 2014 World Cup at the Corinthians arena in Sao Paulo June 12, 2014. REUTERS/Kai Pfaffenbach (BRAZIL – Tags: SOCCER SPORT WORLD CUP ENTERTAINMENT TPX IMAGES OF THE DAY) – RTR3TGS4