Bagshawe was born in Lambeth Hospital, London, the daughter of Nicholas Wilfrid Bagshawe & Daphne Margaret née Triggs.Educated at Woldingham School, Surrey, she went up to Cambridge University at the age of eighteen with her ten-month-old daughter in tow.Now a freelance journalist and novelist, she is a regular contributor to The Sunday Times, Daily Mail and other major British publications. Bagshawe lives in London and Los Angeles with her husband Robin, daughter Persephone and sons Zac and Theo. Her sister is Conservative Member of Parliament Louise Mensch, who is also an author under her maiden name Louise Bagshawe. Her first novel Adored (ISBN 0-446-57688-3) was published in July 2005.