Hi, while you're waiting for other responses, get started on these answers from a few years ago
/u/Knight117 in When did "French" become synonymous with "fancy"?
and, depending on what you mean by "fancy", here's /u/LordSariel with more in Why is Paris romantic and why are French girls sexy? [Why do we in the US have an association of France with romantic love and sex? How far back does this association extend in history? What do other cultures think of France?]