Sagnier herself admires sexy icons like Romy Schneider and Liv Ullman. And although she claims to live in worn jeans, it’s women of that ilk she’ll emulate on the red carpet this weekend. She is set to wear a Prada dress to walk up the Festival Palace’s stairs. “It is part of the job,” Sagnier says. “I try not to think about it too much, it is stressful.” After the Cannes frenzy, she may even be able to go relax somewhere — maybe by a swimming pool?