20 Incredibly Hot Mistresses of Celebrities

8. Marilyn Monroe – John F. Kennedy

The relationship between Marilyn Monroe and John F. Kennedy is one of the most famous affairs in American history. Marilyn Monroe was thought to be one of the most beautiful women in the world at the time of her alleged affair with John F. Kennedy. Even though he cheated on his wife, people still loved the charming president, and Marilyn Monroe could do no wrong, for she was absolutely loved in Hollywood.