In Girl in Blue Looking in a Mirror, the viewer sees a young girl dressed in a deep blue gown. She gazes intently into a mirror, her expression a mix of curiosity and contemplation. The background is softly blurred, emphasizing her figure and the reflective surface.

The colors are rich, with the blue of her dress contrasting against the warm tones of her skin and hair. The painting is executed in oil on canvas, showcasing Alfred Stevens' skill in capturing textures and light. The girl's delicate features are rendered with precision, highlighting her youthful innocence. The mirror reflects not only her image but also the light in the room, creating a sense of depth.

The composition draws the viewer's eye towards her introspective moment. Alfred Stevens was a Belgian painter known for his portraits and genre scenes. This particular work reflects the Realism movement, focusing on everyday subjects with a keen eye for detail. An interesting fact about this painting is that it captures a moment of self-reflection, a theme that resonates with many viewers.

Stevens often portrayed women in contemplative poses, making this piece a notable example of his style.