<p><br /> Speculation is rife as to just how much of Lindsay Lohan's 90-day prison sentence the actress will actually serve.<br /> </p><p><br /> The 24-year-old was taken to Lynwood prison in California on July 20 for violating probation after two drink-driving offences.<br /> </p><p><br /> However it is thought Lindsay may only serve about two weeks due to prison over-crowding and good behaviour.<br /> </p><p><br /> Lindsay's mum Dina Lohan and sister Ali have visited the prison however it is not known whether they were actually allowed to see Linsday.<br /> </p><p><br /> According to reports, the Hollywood star has slept for most of her first two days behind bars.<br /> </p>
