Sophie Kinsella, the celebrated British author of the "Shopaholic" series, died at age 55 after a three-year battle with glioblastoma, an aggressive brain cancer she had been diagnosed with in 2022.Her family, including husband Henry Wickham, announced her peaceful passing, noting her resilience and love for family, music, and Christmas, revealing the diagnosis was kept private initially for their children's sake.Known for her humorous novels that spawned a 2009 film adaptation starring Isla Fisher and Hugh Dancy, Kinsella also published the autobiographical novella "What Does It Feel Like?" in 2024, which received praise from authors like Jodi Picoult and Taylor Jenkins Reid.