Sophie Kinsella, author of the bestselling Shopaholic series of novels, has died at the age of 55, her family have announced.

The writer, whose real name is Madeleine Sophie Wickham, was diagnosed with an aggressive form of brain cancer in 2022.

A statement posted to her social media accounts read: "We are heartbroken to announce the passing this morning of our beloved Sophie (aka Maddy, aka Mummy).

"She died peacefully, with her final days filled with her true loves: family and music and warmth and Christmas and joy."

Kinsella's books have sold more than 50 million copies in more than 60 countries, and have been translated into more than 40 languages.