Giovanni / Splash News 1 / 15
Giovanni / Splash News 1 / 15

Troubled actress Lindsay Lohan has left the Betty Ford rehab clinic less than six weeks after checking in for treatment.

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The "Mean Girls" star was ordered by a court judge to undergo a 90-day course of rehabilitation in lieu of a jail sentence after pleading no contest to charges stemming from a car crash in California last summer.

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She began her treatment on May 2, but checked out of the famed clinic near Palm Springs, Calif., on Wednesday, less than six weeks into the program, and moved to another facility in Malibu, according to TMZ.com.

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The transfer was reportedly approved by a judge overseeing Lohan's case as the Cliffside clinic in Malibu is more suited to a 90-day course of treatment.