A young driver doing donuts in a Brooklyn mall parking lot lost control and fatally struck his girlfriend — landing him in jail on negligent homicide charges, police sources said Wednesday.

The young woman killed when a car doing donuts in a Brooklyn shopping plaza parking lot slammed into her as she was looking on was the driver’s girlfriend, officials said Tuesday.

A woman was fatally struck by a sedan whose driver was “doing donuts” outside a Brooklyn Dave and Busters parking lot in Gateway plaza, cops said Monday. Madison Ruiz, 21, was sitting ...