La Femme Perdue (2019) Concealed beneath Pablo Picasso’s The Old Guitarist (1903-1904), hides the portrait of a woman. In 1986, through x-radiography, art conservationists made the underlying piece apparent. In 2019, by combining the techniques of neural style transfer and x-radiography, we reconstructed the lost artwork. Using a manually edited x-radiographed image of The Old Guitarist as the content image and La Vie as the style image, we applied neural style transfer to reconstruct the lost artwork; creating the lost woman, “La Femme Perdue”. La Vie was chosen as this painting was produced pre-1904, during Picasso’s Blue Period, and includes mutually aesthetic features.