. >> diana picked it herself says designer elizabeth emmanuel. >> for the first time, she looked like princess. very glamorous and it was a transforming dress for her. >> it is all anyone could talk about. the next day, the budget was going to be announced. that went to the back pages and all there was diana wearing the low-cut dress getting out of the car. >> despite the public attention, diana is isolated and lonely. >> right after the engagement, diana moves out of her flat away from friends and families and lives at this royal residence, clarence house. >> it was a very a typical run up to the wedding. when you are stuck inside those walls t is not a totally joyous free fun experience. >> do you think she felt lonely? >> i'm quite sure she did. >> diana writes letters to stay connected. >> i am continually surrounded by grownups and sometimes search for my own age group. >> i think she is desperately lonely and sought friendship downstairs. she spent more time downstairs with the staff than up stairs with the guests. >> making matters worse, charles is often absent. >> she definit