After picking up an Oscar for her stunning turn as Edith Piaf in La Vie En Rose, French actress Marion Cotillard finds herself playing the girlfriend of notorious bank robber John Dillinger (played by Johnny Depp, no less) in this week's crime thriller Public Enemies. DS caught up with Marion to chat about her leading man's dancing skills, how she felt about winning an Oscar, and keeping a tight lid on Christopher Nolan's Inception.