Head to the party wearing the Adult Queen Arwen Costume and you'll be inviting everyone back to Rivendale before the night is through With this set, you will receive everything you need to become the most gorgeous elf in all of Middle Earth. Featuring a stunning light green velour dress with lace trim on the neckline and long draping sleeves, as well as a silver tiara headpiece, you are going to love this celestial attire this year.