20s style dresses Flapper Dress 1920s Style Roaring 20's Clothes 1920s Flapper Style neck with lovely ivory flounce and draped faux collar tie Shop 1920s Inspired Dresses -

Matching ribbed collar and banded sleeves

All the best black dress shoes are formal, yes, but you cant just wear a pair of chukkas with a tux

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I dont have a picture of it, but I made makeshift shoulder straps/shoulder pads with an oversized bra (also from the thrift store) to hold the cape on (it still had tags on!)

You can certainly use your favorite store bought dressing and it makes it so quick and easy