Joe Jonas, who is engaged to Game of Thrones star Sophie Turner, dressed up as his fiancée's character Sansa Stark for the premiere. He previously dressed in the same costume for Halloween in Oct. 2018.
"If you're wondering why my kids have been roaring all day... @gameofthrones," Kerry wrote on Instagram alongside a video of herself wearing a "Mother of Dragons" T-shirt.
Game of Thrones superfans Kristen and Dax celebrated the premiere with their pals, including her Veronica Mars co-star, Ryan Hansen.
Ryan captioned this squad pic, showing the group dressed up in costumes, "Raging Throners!!!!"
"Maximum effort on #GOT night," Kristen told her followers. "FOR THE THRONE!!"
On Monday morning, Kristen wore her GOT premiere outfit to work on The Good Place.
Sharing a video from set with her Instagram followers, Kristen wrote, "A #GoodPlace morning: Keeping the THRONE ALIVE at 6am the morning after!!!"