> Katherine Kelley (born April 4, 1942) is an American journalist and author of best-selling unauthorized biographies of Jacqueline Kennedy Onassis, Elizabeth Taylor, Frank Sinatra, Nancy Reagan, the British Royal Family, the Bush family, and Oprah Winfrey. > > For the Sinatra biography, Kelley won praise for the quality of her research and willingness to risk a lawsuit, but critics have not rated her other works as highly. She has been described as a "professional sensationalist" and the "consummate gossip monger". > > [Wikipedia](https://en.wikipedia.org/wiki/Kitty%20Kelley)