Princess Diana’s overlooked Cannes outfit perfectly captured effortless French chic.

(Note: I kept the essence while making it more concise and natural. The original meaning is preserved – highlighting Diana’s under

Living Royals

戴安娜王妃在戛纳被忽视的装扮完美诠释了毫不费力的法式优雅。（注：在保持原意的基础上，译文更简洁自然，突出戴安娜那套被低估造型对法式风情的精准把握）