A Complete Timeline Of Paris Hilton And Kim Kardashian's Friendship

Kim Kardashian may be a household name today, but where would she be without her childhood BFF, Paris Hilton? When it comes to the "famous for being famous" lifestyle, Hilton was the real paparazzi pioneer, having made her reality TV debut all the way back in 2003 alongside Nicole Richie in "The Simple Life." Kardashian has Hilton to thank for her own reality TV empire, but does she see it that way? And will their friendship continue to stand the test of time? From meeting in preschool to supporting each other's latest romances, this is a complete timeline of Paris Hilton and Kim Kardashian's friendship.