The actress pleaded no contest Monday to reckless driving, lying to police and obstructing officers who were investigating the accident involving the actress in June.
A judge says Lohan will be sentenced to 90 days in rehab, 30 days of community labor and 18 months of psychological therapy.
The "Liz & Dick" star was on probation when her sports car crashed on Pacific Coast Highway while on her way to a film shoot.
The 26-year-old actress has been repeatedly sentenced to jail since 2007 when she was twice arrested for driving under the influence.
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