Catherine Allégret has quite the impressive family tree, especially if you're a fan of French cinema. She's the daughter of Simone Signoret and Yves Allégret, mother of Benjamin Castaldi, niece of Marc Allégret, and stepdaughter of Yves Montand. And she's got quite the career in her homeland herself, starting with L'Enfer (1964) and most recently La Vie en rose (2006). But it's her … Join Mr Skin to read her entire Biography