A big, puffy skirt that fans out into a voluminous shape like a peacock

A big, puffy skirt that fans out into a voluminous shape like a peacock's tail, with lots of layers and multiple petticoats for extra volume on top of that. Some small amethyst coloured crystal-encrusted flowers as a brooch, and a long, long veil with lace trim that trails along the floor (add some amethyst coloured flowers across the dress add a Tiara with crystal and amethyst and some other accessories to match the colour theme