During the shooting of Aimez-vous Brahms (1961)

20th November 1960: Michele Mercier with Yves Montand, Anthony Perkins and Ingrid Bergman in the studio of Joinville near Paris during the shooting of Aimez vous Brahms.

Goodbye Again, released in Europe as Aimez-vous Brahms?, is a 1961 romantic drama film produced and directed by Anatole Litvak. The screenplay was written by Samuel A. Taylor, based on the novel Aimez-vous Brahms? by Françoise Sagan. 

 "Paula Tessier (Bergman) is a 40-year-old interior designer who for the past five years has been the mistress of Roger Demarest (Montand), a "philandering business executive" who refuses to stop seeing other women.When Paula meets Philip (Perkins), the 25-year-old son of one of her wealthy clients, he falls in love with her and insists that the age difference will not matter. Paula resists the young man's advances, but finally succumbs when Roger initiates yet another affair with one of his young "Maisies" (played by Michele Mercier). While she is initially happy with Philip, her friends and business associates disapprove of the May-December romance." (wiki)