silver prom dress black girl Sexy Deep V Neck Dresses Sequins Lace African Girl Evening Formal Gowns sold by Wedding store on Storenvy Seasonal Lifestyle LTP1354,Silver Ball Gown Satin Mini

And it worked

Ruched knot detail at the front waist with long tie

Column & Slip Silhouettes The column gown is the purest expression of 90s prom style

Black & Turquoise Lace Bodice w/ Double Tulle Over Charmeuse SKU: D5715-BKTQ Price: $50.99 Ships Same Day from Los Angeles (orders before 11 AM ET M-F) Description Style: D5715 Sleeveless black lace overlay bodice style details may vary between shipments Irremovable satin at center waist Double black tulle over charmeuse skirt Zipper back closure w/ tie back sash Tea length Made in USA Kiki Kids 5715 Size Chart Black & Turquoise Lace Bodice w/ Double Tulle Over Charmeuse Price: $50.99

Something in an elevated fabric, like silk or crepe, with sharp tailoring is probably alright (though to be safe, you can always double check with the couple)