Popsugar Entertainment Halloween Game of Thrones Costumes 55 Game of Thrones Characters You Could Be This Halloween October 29, 2019 by Shannon Vestal Robson View On One Page Photo 24 of 55 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 24 Margaery Tyrell What to wear: A beautiful blue gown with your hair done up beautifully. Previous Next Start Slideshow HalloweenGame Of ThronesHalloween CostumesHalloween Costumes 2019Pop Culture Halloween CostumesTV