Sophie kinsella, author of the bestselling shopaholic book series, has died at the age of 55 Kinsella's family shared news of her death in an instagram post wednesday. Madeleine wickham, the british author who wrote the “confessions of a shopaholic” novel series under the pen name sophie kinsella, becoming an international sensation, died on wednesday. British author sophie kinsella, whose bestselling confessions of a shopaholic novel became the basis for the 2009 romantic comedy of the same name, has died at 55, her family said.
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