Movie about a copule of thieves with a final car crash scene

I think this movie is about late 80’s or early 90’s, (english, color) and its about a young couple of thieves or delinquents. In the final scene both were stealing a mall and then they get in a car to runnaway but someone turns on the parking lot lights and the thieves get dazzled. They crashed the car and then there is a close up to a ripped off finger with a ring gave by the male thief to marry the girl one. Also there is a close up to a mannequin behind a store window that completely looks like the girl. Then both die and the movie ends. Thanks

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