Model Sophie Dahl used her manic upbringing to inspire her new novel Playing With The Grown-Ups. The 30-year-old's mother Tessa famously struggled with depression and an addiction to drugs and alcohol - and Sophie acknowledges there are similarities between the book and her life.

British model Sophie Dahl has agreed to pen a tell-all memoir about her problems with food. Dahl, whose weight dropped from a British size 16 to an 8, has signed a deal with publisher HarperCollins to write the book.