audrey hepburn little black dress Actress Wearing an Lbd- in Breakfast At Tiffany's Single Greeting Card : Office Products Rebel Visionaire: The Little Black

In misses and some plus sizes, this pretty semi-formal dress has a wide empire waist that tops the gleaming skirt as it flows to a below-the-knee hemline in a figure-flattering a-line shape

Dress codes can range from casual to formal, and it's essential to follow them to avoid feeling out of place

Button down shirt plus button on back of the collar

A wide, ruched waistband defines the waist and creates a slimming, hourglass effect before falling into a full-length A-line chiffon skirt that moves gracefully with each step

Diana was only 19 when she became engaged to Prince Charles, 32, and was used to following the same fashion trends as her peers

And what better way to make it unforgettable than by throwing a sweet 16 party and shining in a cute dress for sweet 16