Image Credit: Getty Images English author Sophie Kinsella (real name: Madeleine Sophie Wickham), whose books inspired the 2009 film Confessions of a Shopaholic starring Isla Fisher, died on December 10, 2025. She was 55. Her death was announced in an Instagram post shared to her account that day. "We are heartbroken to announce the passing this morning of our beloved Sophie (aka Maddy, aka Mummy)," the caption read. "She died peacefully, with her final days filled with her true loves: family and music and warmth and Christmas and joy.