Lena Dunham wrote memoir 30 days after leaving rehab Lena Dunham has opened up about the journey of writing her new memoir, Famesick. 5 September 2025 Lena Dunham began writing her memoir a month after leaving rehab. Lena Dunham has penned a new memoir The 39-year-old actress plans to release Famesick in April 2026, and Lena has opened up about her creative process, revealing that she began writing shortly after leaving rehab. The Girls creator - who entered a treatment facility in 2018 - wrote on Instagram: "When I first began this book, I'd been out of rehab for 30 days.