Author Sophie Kinsella, best known for the Shopaholic series, very sadly passed away in December 2025 at the age of 55, after living with an aggressive brain cancer called glioblastoma that she was first diagnosed with in 2022.

Quick Scoop

  • Sophie Kinsella (born Madeleine Sophie Wickham) revealed in April 2024 that she had been diagnosed with glioblastoma at the end of 2022 and had undergone surgery, radiotherapy, and chemotherapy while keeping the news private for her children’s sake.
  • On 10 December 2025, her family announced that she had died peacefully, surrounded by her loved ones, and described their hearts as “breaking” at the loss of their beloved Sophie.
  • In her final years she continued writing, including the novella What Does It Feel Like? (2024), which drew on her experience of cancer, and she remained deeply appreciative of her readers and career.

What happened to Sophie Kinsella?

  • After a highly successful career selling more than 50 million books worldwide, Kinsella stepped into a quieter, more private phase of life when she was diagnosed with glioblastoma in 2022 and focused on treatment and family.
  • She publicly shared her diagnosis in 2024 in a heartfelt message to readers, calling it an “aggressive brain cancer” and explaining that she had waited to speak until her children could process the news in private.
  • In December 2025, multiple outlets reported that she had died from complications of brain cancer at 55, prompting an outpouring of tributes from fans, fellow authors, and book communities online.

Recent books and legacy

  • Even during treatment, she released The Burnout in 2023 and then What Does It Feel Like? in 2024, blending her trademark humor with more serious reflections on illness, stress, and resilience.
  • Commentators and readers describe her legacy as a mix of warmth, light-hearted comedy, and emotionally resonant modern-woman stories that helped many people through tough times.
  • Her Shopaholic heroine Becky Bloomwood and the 2009 film adaptation Confessions of a Shopaholic continue to keep her work visible to new readers discovering her books after her passing.

Information gathered from public forums or data available on the internet and portrayed here.