black long sleeve party dress Princess Polly Women's DEJONGE RING MINI - Make a stunning entrance in this elegant long sleeve evening gown that epitomizes timeless sophistication Lulus | Black Long Sleeve

The strapless bustier gown was covered in sparkling sequins, with the curve-hugging bodice ending in a flouncy, mermaid-style skirt made of layers of inky black tulle

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46" from top of shoulder to hem

(Plus, the people-watching is guaranteed to be incredible.) The main thing to keep in mind is the definition of the dress codeeffectively, black tie is code for floor-length hemlines, so leave the midi dress at home in favor of something ankle-sweeping

You can always, of course, opt for a dress with a waterfall hem, which is shorter in the front and longer in the back, if you can't quite make up your mind on a skirt-length