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.
more: http://www.celebslam.com/nicole-richie-weighs-85-pounds