[Warning: Potentially Triggering Content] Princess Diana's tragic death still shakes the world to its core... And now, nearly three decades later, we're finding out more about how she felt leading up to that horrible day. Back in 1997, per what her close friend Rosa Monckton told People on Monday, Diana traveled to Greece in August for a vacation. Sadly, this would be the last time the Princess of Wales would have some quality time with Rosa. During their trip, the Baroness said her conversation with the Princess turned to that of her infamous 1995 Panorama interview.