High School Musical star Vanessa Hudgens has smashed her car into another vehicle.

The girlfriend of actor Zac Efron backed her car into an oncoming vehicle, causing damage to both cars.

The 21-year-old was backing out of a car park in Studio City, California when her black Audi went into another car, according to RadarOnline.com.

The Bandslam star reportedly wound down her windows to deal with the unidentified man whose car she hit.

Vanessa's car allegedly had minor damage while the other car was left with a large dent.

Police weren't called to the scene of the accident.

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