After the death of her husband she moved to Paris. She soon became a lady in waiting to Marie Antoinette, the new Dauphine. When Marie Antoinette became queen, Marie Louise became head of her royal household. She became a very close friend of the queen. During the decline of the monarchy she remained loyal to the queen. In 1789 the royal family was forced to leave the royal palace at Versailles. Marie Louise remained with them. She was in Bath, England but returned to Paris. When the palace was stormed in 1792, the royal family was arrested. Marie Louise was separated from the queen and sent to the prison at La Force. On September 3rd she was brought before a tribunal. It was demanded she sign an oath of loyalty to the New Republic. She also had to denounce the queen and the royal family. Marie Louise refused. She was taken into the streets and murdered. Her head was placed on a spike and displayed before the queen in her prison cell. Her head was buried with her body at the foundling's cemetery. 