updated 09/07/2011 AT 9:30 AM ET
•originally published 09/07/2011 AT 9:35 AM ET
The Inception actress, 35, and her 3-month-old son were photographed leaving Los Angeles International Airport on Tuesday – and it looks like Marcel already has an eye for the camera!
The Oscar-winning actress (for La Vie en Rose) and her French actor-director beau Guillaume Canet, 38, welcomed Marcel in May.
– Tim Nudd