Lady Colin Campbell is a highly successful and prolific author of several books, including London and New York Times bestsellers, and has been a prominent and often controversial figure in royal and social circles for many years.

She perhaps is best known for her international bestselling book Diana in Private, 1992, and her subsequent extended and revelatory biography of the Princess of Wales, The Real Diana published in 2004. She has written books on the Royal Family, been a long term columnist and appeared numerous times on TV and Radio as an experienced Royal Insider and expert on the British aristocracy.

In 1997 she published her autobiography, A Life Worth Living , which was serialised in The Daily Mail . Born in St Andrew, Jamaica, she was educated there and in New York, where she lived for seven years. She is connected to British royalty through common ancestors and marriage. She has two sons and lives in London.