Sophie Kinsella, the beloved pen name of Madeleine Sophie Wickham, passed away on December 10, 2025, at the age of 55. Her family confirmed that she died peacefully at home after a long battle with glioblastoma, an aggressive form of brain cancer. Kinsella had publicly shared her diagnosis in 2024 while choosing to keep the details private to protect her family. The announcement of her passing led to an outpouring of grief from readers, publishers and authors who remembered her warmth, humour and immense influence on modern fiction. In late 2022, Sophie Kinsella was diagnosed with glioblastoma, an aggressive form of brain cancer. She shared the news on Instagram, explaining that she had kept it private initially to allow her children to process the diagnosis and adjust to their “new nor

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