Lady Colin Campbell is a highly successful and prolific author 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.

Born in Jamaica, she spent much of her early adult life in America where she became a model and studied apparel design. She is connected to British royalty through common ancestors such as the Emperor Charlemagne and William the Conqueror as well as, through her marriage, to the uncle of the Duke of Argyll, who is a cousin of the Queen. She has two sons and lives in London, in the city and at Goring Castle in Sussex.

Among her latest books are The Untold Life of Queen Elizabeth – The Queen Mother, published in 2012 and the book attracted considerable press interest. Once more Lady Colin Campbell shows that as a writer she is not only astonishingly courageous but also extremely well informed, with an impressive roster of “well placed contacts” as People magazine has credited her, and yet again she brings penetrating insight and the empathy of a truly compassionate person to her subject, bringing the Queen Mother alive in a way that no previous writer has ever succeeded in doing.

Her new book, published in June 2018, is The Queen’s Marriage, the inside story of the Queen’s marriage that contains previously undisclosed revelations. In this new book royal historian Lady Colin Campbell covers the Queen’s marriage in intimate detail. Using her connections and impeccable sources she recounts details of the inside story of the monarch’s relationship with the Duke of Edinburgh and her close family.