At just 11 years old, Natalie Portman was selected to lead the thriller Léon: The Professional, which would mark her cinematic debut. It was a controversial role defined by her character’s intense friendship with the much older titular character, made even more questionable by the fact that director Luc Besson was in a relationship with Maïwenn Le Besco, at the time, which had begun when she was 15 and he was 31. The film was an overwhelming ex…