Jessica was travelling in a vehicle, on the Princes Highway at Mondayong, south of Sydney, with her family, on December 26, when it was involved in a head-on collision with another car.
Jessica's two parents have been killed as a result of the accident and Jessica and her sister were airlifted to local hospitals, where she remains in a critical condition.
One passenger in the other car was killed in the crash.
According to local reports, one of the cars was travelling in the wrong direction on the road.Explore more on these topics:
