Katherine Eunice Schwarzenegger is an American author. She is also recognized as the elder daughter of author and journalist Maria Shriver and actor Arnold Schwarzenegger. She is also a member of the famed Kennedy family; she is the great-niece of the 35th US President John F. Kennedy. Talking about Katherine’s work as an author, she has written a book titled ‘Rock What You've Got: Secrets to Loving Your Inner and Outer Beauty from Someone Who's Been There and Back.’ Besides this, she has authored another book named ‘I Just Graduated ... Now What?: Honest Answers from Those Who Have Been There.’ These two books by Schwarzenegger have earned her millions of fans from all over the world. These books are popular not only in the USA, but in other countries as well. As far as the author’s social media popularity is concerned, she has got a huge fan base on various social media platforms, such as Facebook, Twitter, and Instagram. As of March 2020, Schwarzenegger has about 869k followers on Instagram and 79k followers on Twitter. She has got more than 122k likes on her Facebook page.