LEADING LADY: The quintessential Parisian, actress Catherine Deneuve is set to be celebrated in a dual exhibition on both sides of the Seine. The “Catherine Deneuve, Rive Droite, Rive Gauche exhibition,” at the Galerie de l’Instant in the 3rd arrondissement and at the iconic Hôtel Lutetia on the Left Bank, features pictures of the actress through the decades by an array of photographers, from her ex-husband, David Bailey, to Kate…