Portrait de la duchesse de Châteauroux

The Duchess of Châteauroux, born Marie-Anne de Mailly, was one of five sisters who successively became mistresses of Louis XV, and she held the king's favour from around 1742 until her sudden death in 1744 at the age of twenty-seven. She was known for her intelligence, ambition, and political influence—reportedly urging Louis to take a more active role in the War of the Austrian Succession and accompanying him on campaign. Nattier's 1740 portrait, now in the Musée des beaux-arts de Marseille, predates her most prominent years at court but captures the beauty and confidence that attracted royal attention. The duchess was a significant figure in the cultural politics of Versailles, patronising artists and participating in the intellectual life of the court in ways that went beyond mere decorative function. That Marseille holds this portrait reflects the dispersal of works from Parisian collections into provincial museums over the nineteenth and twentieth centuries.

Nattier's treatment of the duchess prioritises elegance over the more overt sensuousness that some court portraits of mistresses employed. The painting's technique is fully mature—confident in its handling of silk, subtle in its flesh tone modelling, and assured in its compositional arrangement.