Kate Middleton’s royal success came from dodging Princess Diana’s missteps: author

Kate Middleton has been crowned the reliable, glamorous face of a modern monarchy. Several royal experts believe that her secret to success has been playing by the rules and not breaking out as a royal rebel.

Edward White has written a new book about Kate’s late mother-in-law, Princess Diana, titled "Dianaworld: An Obsession." It examines the "Diana Effect" and how it continues to influence both the monarchy and pop culture, decades after her death at age 36.

White told Fox News Digital that...