Anne-Louis Girodet de Roucy-Trioson – Napoleon Bonaparte, Premier Consul (1769-1821) Château de Versailles

The picture has something of this: people, wear, portrait, woman, jewelry, music, performance, veil, facial expression, fashion, fashionable, man, outfit, necklace, singer, stage, musician.
Perhaps it’s a painting of a man in a red coat and white pants, holding a piece of paper in one hand and pointing to.