long blue and white floral dress Floral-Print Prom with Beads White/Royal / 18 Size:Custom Size(leave your size in the note box) boho wedding gown 100% Polyester Elisanya Mock Neck Contrast

long blue and white floral dress Floral-Print Prom with Beads White/Royal / 18 Size:Custom Size(leave your size in the note box) boho wedding gown 100% Polyester Elisanya Mock Neck Contrast

Elisanya Mock Neck Contrast Sequin Satin Formal Dress Black Elegant Long Sleeve Prom Evening Wedding Guest Gown, For Graduation, Dinner Party Dress | SHEIN USA

For a similar effect with a slightly more casual vibe, try a tiered smocked midi dress

boho wedding gown

Size:Custom Size(leave your size in the note box)

The only other thing I could suggest is getting one of the Darkness models which you could use as a basis for designing a costume

100% Polyester