Jennifer Lopez brought some serious glamour to the FIFA World Cup 2014 Opening Ceremony in Brazil with her show-stopping performance on Thursday. Despite earlier rumors of her not appearing, the 44-year-old singer wowed the crowd in a dazzling leotard as she belted out the official FIFA song We Are One (Ole Ola) alongside Pitbull and Claudia Leitte. It was clear that nothing was going to stop Jennifer from taking the stage and giving it her all.