blue mermaid prom dresses KissProm Strapless Lace Dress With Appliques, Sky / 14 Grace the dance floor in Evie—a luxurious mermaid Ivory Sequins Lace Sky Blue

This dress features an opaque lining layered with embroidered tule

If you prefer a subtler approach, try a jumpsuit in a muted tone like olive green or dusty rose

Designed by edgy British designer Vivienne Westwood, Dianas headpiece is the star of the show here, as many pieces of fabric seem to be coming out of her head

11: Classic and Chic Fall Formal Wedding Guest Dress A flattering silk dress is the perfect investment piece not just for all your future weddings, but also for any event, party, or dinner date

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The measurements were spot on with her customization