Today we remember and honor the late and great Jacqueline Bouvier Kennedy Onassis – more commonly known as Jackie O – on what would have been her 86th birthday today. Most everyone who thinks of Jackie O is instantly reminded of her graceful, intelligent, and charming persona, both as First Lady to President John F. Kennedy as well as book editor and style icon. Jackie’s fashion legacy is definitely one that cannot be overstated. Although her signature looks varied slightly by decade, her style remains one that is marked by classic silhouettes including sheath dresses and slim-cut pants, along with bold, yet elegant accessories such as pillbox hats, “Jackie O” sunglasses, and Hermes headscarves. Let’s take a look back at some of her most stylish moments.