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.
Dragon*Con: Captain America-Lolita Avengers, Steampunk, ?ASoIaF, Shura, Roman Torchwick, RWBY PJ ver. Emma Swan OUaT, Queen of Mars Archer
Ice and Fire con: