FTP, name this mistress of Louis XV.
Born Jeanne Antoinette Poisson, she was still married to  Lenormand d'Etoiles when she met her future lover at a masked ball.  She secured the office of controller-general for her protege  Etienne de Silhouette, and according to some historians, she caused  France to enter the Seven Years' War on the side of Austria. But  she is better remembered as the protector of Voltaire and the  Encyclopedists. FTP, name this mistress of Louis XV.
Born Jeanne Antoinette Poisson, she was still married to  Lenormand d'Etoiles when she met her future lover at a masked ball.  
Madame or Marquise de {Pompadour}