The 24-year-old beauty had earlier served just 84 minutes in jail.The 'Mean Girls' actress was sentenced to 24 hours in prison, 10 days of community service and ordered to complete an alcohol education programme after pleading no contest to cocaine possession and DUI in 2007.
The 24-year-old beauty had served just 84 minutes in jail and was placed on three years' probation but has been accused of breaking the terms of her probation by allegedly failing to abide by the rules of the alcohol education course, reports TMZ.com.
"Lohan could have her probation revoked and she'll be thrown behind bars if the allegations prove to be true," sources told the website.
The actress, who recently launched her debut collection for French fashion house Ungaro, is now expected to appear before a LA judge for a progress report.
