**FILE**This file photo originally made available by the Hillsborough Sheriff's Dept., shows former "American Idol" finalist Jessica Sierra, 21, who was arrested April 29, 2007, on felony battery charges after she allegedly hit a man on the head with a heavy glass, police said. Officers found a "small amount of cocaine" while searching her during booking at the Hillsborough County jail, police said. A judge in Tampa, Fla., rescheduled her trial on battery and drug charges after her lawyer said Wednesday, Aug. 29, 2007,that the singer is in a California rehabilitation facility. (AP Photo/Hillsborough Sheriff's Dept.)