I forgot to share this. This was my Cercei book costume from the Ice and Fire con
I'm thinking of maybe just saying I'm Joanna Lannister since there's no GoT version of her.
ConG: Steampunk, Modern Val - ASOIAF
CostumeCon: Princess of the Crystal-Penguindrum, Cercei-ASoIaF, Steampunk
Ohio Ice and Fire con: Cercei-ASoIaF, Modern Val-School of Thrones, The Maiden
Anime North: Shura-BlueExorcist, Agnes-Tiger and Bunny, Princess of the Crystal-Penguindrum, Kanbaru-Monogatari Series
Dragon*Con: Captain America-Lolita Avengers, Steampunk, ?ASoIaF, Princess of the Crystal-Penguindrum, Shura-Blue Exorcist