Lindsay Lohan was arrested in Santa Monica at 2:15 a.m. Pacific time today, and booked at 4:23 a.m. by the Santa Monica police department for drunken driving. Her second arrest for a DUI is a felony charge, and her bail was set at $25,000. Her previous DUI arrest was by the Beverly Hills Police Department, after a Memorial Day car crash; she was released on bail last week. Lohan turned 21 this month and is not really expected to see 22.