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Whisked away to a women's jail in an unmarked sheriff's car after a brief hearing, Lindsay Lohan reported Tuesday for a 90-day sentence that the troubled actress likely will serve in isolation, and which may be significantly shortened.

Wearing dark denim jeans, a gray top, black corset belt and black jacket, the 24-year-old Lohan showed up at the Beverly Hills courtroom about 10 minutes late. After a short hearing, she rose and was handcuffed behind her back to serve her time for a probation violation.

Lohan was accompanied to court by her mother, Dina, and younger sister Ali, who wiped away tears after her sister was taken into a lockup.

Her estranged father, Michael Lohan, yelled, "We love you Lindsay!" as his daughter was led away. She was then taken across town to the Century Regional Detention Facility in the industrial suburb of Lynwood.

In court, Lohan was represented by her longtime attorney, Shawn Chapman Holley, who had resigned earlier but never filed a formal motion with the court. Famed celebrity attorney Robert Shapiro said Friday that he had agreed to represent the actress, but Los Angeles Superior Court Judge Marsha Revel said Tuesday that he had told her hours earlier that he would not take the case.

Holley said after the hearing that Lohan had decided she did not want Shapiro to represent her.

"She's stepped up, she's accepted responsibility," Holley said of her client. "She's scared as anyone would be, but she's as resolute and she's doing it."

Prosecutor Danette Meyers said she thought Lohan was receiving the appropriate sentence. She said the case, which is atypical for the attention it receives, spotlighted that drunken driving is a serious offense with consequences. "Someone can get killed," Meyers said. "Hopefully it has opened a number of eyes."

While the judge did not address Lohan's tardiness Tuesday directly, she did order her to report to probation officials within a day of her release from jail. The judge had previously ordered Lohan to report within two days.

Revel also has ordered officials not to allow Lohan to serve any of her sentence on house arrest or work release.