8:40PM PST: Justin Bieber was not in the Ferrari ... sources familiar with the situation tell TMZ. We're told one of Justin's friends was driving and another friend was in the passenger seat.
A paparazzo attempting to shoot photos of Justin Bieber's Ferrari was hit by another car and killed this evening -- although Bieber was NOT behind the wheel of the Ferrari ... TMZ has learned.
Law enforcement sources tell TMZ Bieber's white Ferrari was pulled over by California Highway Patrol for a routine traffic stop on Sepulveda Blvd. ... near the Getty Center in LA.
According to our sources, Bieber was DEFINITELY not driving at the time. It's unclear at this point who was driving, and if Justin was even in the car.
We're told a paparazzo -- who was following the Ferrari at the time of the pull over -- attempted to snap pics while officers conducted the traffic stop ... until CHP advised the photog to move back because the situation was unsafe.
At some point, we're told the photog was struck by an oncoming vehicle and killed.
Our sources say drugs and alcohol were not a factor for the driver of the vehicle that hit the photog.