I guess the whole "Firecrotch" incident is water under the bridge. Former frenemies, Lindsay Lohan and Paris Hilton hung out together for the Fourth of July. According to Perez Hilton, Paris visited Linds at her new Malibu beach house, along with sister Nicky. It seems that both Lindsay and Paris have taken up summer residences just houses away from each other! Do you think they debate who's had it worse? Lindsay: Rehab is so hard! Paris: Listen, sister -- you haven't had it bad until you've eaten the mystery meat in the slammer. I'm sure the newly reformed ladies will spend many a low-key night at home this summer playing Parcheesi.