Catherine Allégret born 16 April 1946 is a French actress She is the daughter of Simone Signoret and Yves Allégret In 2007 she portrayed Édith Piafs grandmother Louise Gassion in Olivier Dahans biopic La Vie En Rose La Môme in French Allégret has been married twice Her first marriage was to JeanPierre Castaldi with whom she has a son Benjamin Castaldi Her second husband is Maurice Vaudaux with whom she has a daughter Clémentine In 2004 Allégret published a memoir titled World Upside Down Un monde à lenvers in which she wrote that she was sexually abused by her stepfather Yves Montand for many years from the age of 5 Source Article Catherine Allégret from Wikipedia in English licensed under CCBYSA 30