FIFA World Cup Opening Ceremony

Jennifer Lopez and Rapper Pitbull greet the fans during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

Jennifer Lopez and Brazilian singer Claudia Leitte ready to perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

United States singer Jennifer Lopez, rapper Pitbull and Brazilian singer Claudia Leitte perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

United States singer Jennifer Lopez performs during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

United States singer Jennifer Lopez, rapper Pitbull and Brazilian singer Claudia Leitte perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

United States singer Jennifer Lopez, rapper Pitbull and Brazilian singer Claudia Leitte perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

Brazilian singer Claudia Leitte, US singer Jennifer Lopez and rapper Pitbull perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

US singer Jennifer Lopez, Brazilian singer Claudia Leitte and rapper Pitbull perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

Brazilian singer Claudia Leitte and rapper Pitbull perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

US singer Jennifer Lopez, rapper Pitbull and Brazilian singer Claudia Leitte perform during the opening ceremony ahead of the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

United States singer Jennifer Lopez performs during the opening ceremony of the 2014 World Cup ahead of the group A soccer match between Brazil and Croatia, the opening match of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)

Brazilian singer Claudia Leitte, US singer Jennifer Lopez and rapper Pitbull leave after performing during the opening ceremony before the group A World Cup soccer match between Brazil and Croatia, the opening game of the tournament, in the Itaquerao Stadium in Sao Paulo, Brazil, Thursday, June 12, 2014. (AP Photo)