Article continues below advertisementAllison Williams has responded to her former Girls costar Lena Dunham's recently released memoir, Famesick. During an interview with Variety on April 14, Williams revealed her thoughts on the book, stating, "I need to read more before I say anything about it."Article continues below advertisementSource: MEGAAllison Williams opened up about her reaction to Lena Dunham's new memoir, 'Famesick.