Queen Amidala never actually wears this dress in the movie. Her handmaiden and decoy Sabe does. The dress is beautiful black lace, complete with a feather headress and gemstone ear coverings. The symbol of Naboo royalty can be seen on this gown.
NOTE: Natalie Portman is wearing the gown in the promo pics. Keira Knightley is featured in the screenshots as Sabe.
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