Pronovias AETHRA Wedding Dress Save 55% Stillwhite Pronovias Fashion Dress AETHRA Pronovias New Wedding Dress Save 25% Stillwhite Pronovias Dresses Pronovias Aethra Wedding Dress Poshmark Pronovias Dresses Pronovias Aethra Wedding Dress Poshmark Pronovias Dresses Pronovias Aethra Wedding Dress Poshmark. This dress may be available in many other variations that may be featured in the images for this style. This listing represents only one of those versions, SKU #PR120AT1. 854 A breathtaking mermaid gown that comes to life in glittering, three dimensional flowers that crystalize along the plunge neckline, gather at the waist, and cascade down a skirt delicately dotted with streams of threaded embroidery.