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Lindsay Lohan has been holed up in her Venice Beach home since Friday and on that day, she met with an attorney, and begged her for help with her latest legal troubles -- accusations she stole a $2500 necklace from a local jewelry store.

A source close to a pal of Lindsay's tells X17online:

    "Lindsay's staying at home with friends, contemplating what might happen to her this week. She knows she could go to jail again and she's asking everyone she knows for help to get out of it. Lindsay knows it's not a matter of her being guilty or not -- she already feels like Judge Eldon doesn't like her and she's afraid he'll take any opportunity to put her back in jail."


In fact, Lindsay's pals have been visiting non-stop over the past 24 hours ... her old friend Patrick Aufdenkamp has been in and out, her assistant Eleanor has been at the house, and a few other friends have stopped by for visits. Her next-door neighbor Samantha Ronson has been by -- entering by the back door ...

On Friday, Lindsay's dad Michael arrived with his former attorney Lisa Bloom (daughter of famed lawyer Gloria Allred). Bloom told us at the time "something is fishy" about the allegations.

Lohan is on probation and is submitting to random drug testing for her ongoing DUI case. She's scheduled to be back in court for that on February 25 ... if she's not in court for the alleged theft before then.

An unconfirmed report claims the district attorney's office will file felony charges with the court tomorrow and that Lindsay could be back in court as early as Monday or Tuesday. If that happens, she could be arrested on the spot. Lindsay faces six months' jail time.