This costume is Leia's Yavin IV Celebration
gown. It features:
-- A U-shaped neckline
-- V-shaped hem under the bust
-- An A-line skirt
-- Wide silver leather belt with seven steel
plates (six octagonal and one pentagonal)
painted silver and riveted to the belt
-- Crepe de chine underlayer, with
georgette overlay
-- Floor-length "wing" sleeves"
-- Slight train
-- 3D printed recreations of "planetoid
valleys" necklace and "darina's" bracelet,
painted silver
-- Long brown lace-front wig, with braided
bun and long free-hanging braid
-- Silver pumps with a two-inch heel