black zip dress Spanx Ribbed Half and a mini silhouette perfect for day to night. Buy Pour Moi Black Ella

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This long black strapless prom ball gown is a gorgeous style with plenty of sparkle

For cooler months, crepe, polyester and wool blends tend to be appropriate, and many also have a nice drape

This smooth, black satin dress features a subtle sexy v neckline with adjustable straps, a defined bust that falls into a long, luxe skirt with a side slit that will make you feel like you're running through the a field of wildflowers

Plus Size Black Formal Dress: Simple Black Plus Size Spaghetti Strap Gown Next up on my list of plus size black formal dress options, I am LOVING this stunning black plus size spaghetti strap dress from Amazon