There's another person to thank for the return of party hats: Carrie Bradshaw. The fictional fashion icon has been wearing so many fancy fascinators on the "Sex and the City" reboot "And Just Like ...

During this time, trainers can catch as many Party Hat Pikachu as possible.Like similar events in the past, trainers have a chance to encounter a Shiny Party Hat Pikachu in the wild. The odds of ...