The French Riviera has a distinctive dress code that has remained consistent over the years. When packing for your trip, think chic, effortless and understated. The French Riviera dress code is characterized by classic, timeless pieces.   Fashion staples, popularized by fashion icons such as Grace Kelly, Brigitte Bardot, and Audrey Hepburn, have become synonymous with the region.    Keep in mind that many upscale restaurants and nightclubs may have more formal dress codes, so it’s always a good idea to check in advance.