“American Horror Story” Season 7 is adding a new “Girl” to its cast. Lena Dunham is joining the FX horror anthology, co-creator Ryan Murphy announced in a tweet on Wednesday evening. “Thrilled that my talented friend Lena Dunham is joining the AMERICAN HORROR STORY family,” he wrote. “Always wanted to work together, and now we r!” Additional details about Dunham’s role have not yet been … Continue reading Lena Dunham Joins ‘American Horror Story’ Season 7!!