black short formal dresses Tulle A-Line Prom Dress, Black Evening Party Dress Custom Size / Black Cute black short prom dress Cute Black Off-Shoulder Layered Satin

If you dont know many of the other attendees, you can also reach out to the couple directly (or someone in their wedding party) to see if theyd be okay with you wearing black to the wedding

If you are looking to invest in one pair this season I highly recommend these

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I've worn this blazer with a black turtleneck and black denim, a black lace top, and black denim, and if you have to dress it up even more for work, just add black skinny dress pants or have a little fun with high-waisted black trousers