Paris Hilton and Nicole Richie in The Simple Life. (PHOTO: Getty Images; Net-A-Porter)

If you don't know by now, the one trend that keeps cropping up lately is the Y2K style. Fresh off my mind, the trend can be traced back to the early 2000s when socialites and party people Paris Hilton and Nicole Richie showed off their bright pink outfits, spaghetti tops, velour Juicy Couture tracksuits and rhinestone-everything accessories on their reality show, The Simple Life.