Lena Headey, the actress who played the fierce Cersei Lannister in Game of Thrones, gave fans an update about what she's been up to. On Instagram, she shared a photo of her legs propped up on a chair, with her right leg wearing a cast that went from her toes to her mid-calf. Her left foot was free of the cast. Lena expressed her frustration in the caption, saying "F**k. 6 weeks. One Birk only.