With her acting debut in Betty Blue (1986), Béatrice Dalle’s cyclonic magnetism was immortalized—not only on screen, but also on the film’s famous poster. Here, hues of blue accentuate her surly pout, her determined brows, and her piercing eyes: soon-to-be iconic features that channel both wildness and sensuality. When a Béatrice Dalle character laughs, her husky...