Nicole Richie Busted for DUI! The Influence Wasn't Alcohol!

Nicole Richie was arrested for DUI early Monday morning. She was booked at 4:50 a.m this morning and was released 45 minutes ago. The booking sheet reveals Richie is 5'1" and 85 lbs.

We're told her SUV was spotted by two motorists going the wrong way on the 134 freeway in Burbank. The drivers called 911. When the CHP responded, Richie was stopped in the carpool lane and was alone in the vehicle. When cops approached the vehicle, Richie was on her cellphone. Law enforcement officers tell TMZ Nicole Richie admitted she had taken Vicodin and smoked pot.

A preliminary alcohol screening device revealed that Nicole was not under the influence of alcohol. This is not the first brush Richie has had with substance abuse. In 2003, she pled guilty to heroin possession. The charges were dismissed after she completed the terms of her probation. The CHP just informed TMZ the department will not release Richie's mugshot. Her reps were not immediately available for comment.

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