Perhaps no one had a busier week than Sofia Richie. Though she was only in town for New York Fashion Week for three days, she still managed to hit enough major shows and parties to make any seasoned veteran’s head spin. Among the events on her agenda: Carolina Herrera, 3.1 Philip Lim, Oscar de la Renta, Libertine, and Tommy Hilfiger’s big party. Whew. On her busiest day of the week, where she took in Michael Kors and Rihanna x Fenty, plus a breakfast at Tiffany’s and Kors’ post-show dinner, Richie added a new task to her already packed schedule: photographing her day, exclusively for W. Here, take a look inside the 20-year-old model’s fashion week diary.