Getty Katy Perry performs at the World Cup Opening Ceremony. Former Canadian leader Justin Trudeau and girlfriend Katy Perry had some great seats as Team USA started their World Cup journey with a flourish. Perry took center stage in the American version of the opening ceremony for the World Cup, then took in Team USA’s opening game against Paraguay with her boyfriend. Their appearance stirred some attention, though they were overshadowed by the fast start for the American team. Katy Perry,