The Simple Life Nicole Richie treated for dehydration while filming 'The Simple Life 5' 03/06/2007 Filming for the repeatedly delayed fifth season of The Simple Life was anything but simple for co-star Nicole Richie when she was briefly hospitalized for dehydration last Friday, People reported on Saturday. Read More RELATED NEWS Paris Hilton: "I could have been like" Princess Diana before sex tapeFormer 'The Simple Life' star Nicole Richie marrying Joel MaddenFormer 'The Simple Life' star Nicole Richie gives birth to baby boy TAGS: The Simple Life Paris Hilton Nicole Richie