As the daughter of Grace Kelly and a longtime friend/muse of the late Karl Lagerfeld, it's no surprise that Princess Caroline of Monaco has incredible style. Like many overlooked style icons, Princess Caroline has been consistently chic for decades, having attended fashion shows and red carpets in her teens with mum, becoming a Chanel muse in the '80s and then raising another royal style icon, her daughter Charlotte Casiraghi. From her front-row looks at fashion shows in the '80s to casual preppy outfits and royal gowns, her style has always been imbued with a sense of timeless cool. Similar to Princess Diana, Princess Caroline's love of fashion comes through in all of her outfits—even on formal occasions. Keep scrolling to discover Princess Caroline's best style moments.