blue dress blue Zapakasa Women Sparkly Royal Prom with Slit A-Line Lace-Up Back Party Dress Navy Blue Faux-Wrap Long Sequin Prom Dress

White, black, navy or tan are always a safe bet

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and a frosty, festive (or bridal) ivory with delicate pearls

H&M Tie-Detail Slip Dress Current price: $19.99 From H&M Loading Inventory

Accordion pleating creates dynamic dimension in the flowing ankle length skirt

I've been scouring the latest drops from designers to figure out the piece I'll be wearing and have some front-runners, from a sculptural maxi from Christopher Esber to a strapless douppioni dress from Toteme to an open-back design from Proenza Schouler