What was it like to be best friends for 25 years with a princess who has become an iconic legend? A behind-the-scenes account of what Grace Kelly's life and marriage was really like, after she became Princess Grace of Monaco. Intimate stories that only the closest of friends can share, including a 17-day vacation with her family the month before Grace’s tragic death - with over 70 never-before-seen personal photos, letters and diaries that offer refreshing insights not found anywhere else.