Stephanie Pratt may have to tell her costars she's going to need to take a break from the show....




The Hills star Stephanie Pratt may have to tell her costars she's going to need to take a break from the show. That's because the 23-year-old could be facing up to six months in jail on charges of drunk driving. Stephanie Pratt out on a bicycle in Santa Monica. Pratt was formally charged on Wednesday on suspicion of driving under the influence, according to TMZ, after an October 18 incident in which she was pulled over in the early morning making her way home from Holly Montag's birthday party at L.A. hotspot Empire. Cops administered two separate breathalyzer tests, in which Spencer Pratt's little sister blew a .08 and a .09. In California, the legal blood alcohol limit for driving is .08, so Pratt was arrested and booked on a $5,000 bail.Pratt, meanwhile, was spotted out and about in Santa Monica yesterday using a new mode of transport: a bicycle.