Lindsay Lohan is due back in court today on a probation violation.

Lindsay Lohan Preliminary Hearing
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A  judge will consider whether she violated her probation while serving house arrest.

TMZ is reporting that Lohan, 24, tested positive for alcohol earlier this month after a barbeque at her house.

Sources say the L.A. County Probation Department will ask Judge Stephanie Sautner to take Lohan off house arrest and put her in L.A. County Jail.

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