Lindsay Lohan has been released from jail, but she's not exactly a free woman.

Witnesses said the actress walked out of a suburban Los Angeles jail at 1:35 a.m. Monday after serving 14 days of a 90-day sentence for violating her probation in a 2007 drug case. She is now required to begin a three-month stint in rehab.

A judge in Beverly Hills, Calif., had ordered Lohan to report to rehab within a day of her release from jail, but shortened that time last week after conferring with Lohan's attorney and a prosecutor. The judge said during Lohan's surrender on July 20 that she had no control over how long the actress would be jailed, but did require her to serve her time a women's jail operated by the Los Angeles County Sheriff's Department.

The facility in Lynwood has hosted several starlets, including actress Michelle Rodriguez and socialite Paris Hilton. Lohan spent 84-minutes there in 2007 after being sentenced for her original case.

Rodriguez served 18 days of her 180-day sentence and was released in January 2008. Hilton served 23 days in 2007 after she was caught driving twice on a suspended license while on probation for reckless driving.

Lohan spent 84 minutes at the jail in 2007 after being sentenced on her case. At the time, inmates serving time for nonviolent offenses were serving about 10 percent of their sentences; that figure has now increased to about 25 percent, Whitmore said.

Media have been camped outside the jail since Lohan was booked July 20, catching shots of her mother and sister coming to visit. Holley has also frequently visited Lohan.

The actress' sentence has put several of Lohan's projects on hold, including her starring role in as Linda Lovelace in a biopic on the porn star's life.

Lohan pleaded guilty in August 2007 to two misdemeanor counts of being under the influence of cocaine; no contest to two counts of driving with a blood-alcohol level above 0.08 percent and one count of reckless driving. She was sentenced to three years of probation.

The plea came after a pair of high-profile arrests earlier that year.