Elsa Keslassy International CorrespondentJohnny Depp will star as French king Louis XV in the next film directed by French helmer Maiwenn (“Polisse,” “Mon Roi”) whose shoot will begin this summer, Variety has confirmed.The movie, whose title and exact plot are kept under wraps, is being produced by Pascal Caucheteux and Gregoire Sorlat’s Paris-based Why Not Productions (“A Prophet”), with Wild Bunch International (“Titane”) handling world sales.Filming will take place for three months on location across Parisian landmarks, mainly at the Versailles Palace.Maiwenn will star as Jeanne du Barry, a countess who was Louis XV’s last mistress.Louis XV, who was nicknamed “the beloved” and reigned for 59 years, the longest in the history of France after that of Louis XIV. Paradoxically, Louis XV died as an unpopular king after being accused of corruption and debauchery.