Those of you who are waiting for the return of Lindsay Lohan may have to sit still a little bit longer: the Mean Girls star will reportedly remain in rehab until her court appearance later this month. TMZ reports that the troubled starlet–who is currently in rehab at the Betty Ford Clinic–will most likely remain there until her probation violation hearing on October 22. In addition to her long rehab stint, the 24-year-old actress' jail time will likely be determined by her progress at the Betty Ford Clinic. TMZ claims that Judge Elden Fox will look to Lindsay's doctors to help determine.....