Zlotowski made her directorial debut with the film '' Belle Épine '' , which premiered in the International Critics ' Week section at the 2010 Cannes Film Festival . The film starred Léa Seydoux and although it was n't a commercial success , the film won a Louis Delluc Prize for best first film and Seydoux was nominated for a César Award for Most Promising Actress
2010 Cannes Film Festival
2010 Cannes Film Festival
Rebecca Zlotowski