If you're engaged, then félicitations! (That means congrats in French.) Paris Fashion Week has us dreaming of éclairs and sexy accents, but you don't have to use your frequent-flier miles to add a bit of French flair to your wedding. For your big day, have your guests saying "ooh la la" with these chic French details. Cartes postales, lavender, French signs, and, of course, champagne will do the trick. Here are more ideas for your wedding.