Catherine Allégret
Catherine Allégret (born 16 April 1946) is a French actress. She is the daughter of Simone Signoret and Yves Allégret.In 2004, she published a book titled World Upside Down (Un monde à l'envers ISBN 2-253-11442-1) in which she contended that she had been sexually abused by her stepfather Yves Montand since the age of 5.In 2007, she portrayed Édith Piaf's grandmother Louise Gassion, in Olivier Dahan's take at the famous chanteuse's biopic La Vie En Rose (La Môme in French).