they had to move to althorp in north hampen, had been in the family for hundreds of years. >> althorphouse. it has 13,000 acres of woodland and parkland. it has 90 rooms. >> having been the honorable diana spencer she was suddenly lady diana spencer. she skipped along the corridors shouting, i'm now lady diana. >> she was someone to be reckoned with. the spencers go back an awful long way. they were rich enough back in the 1600s to lend money to the monarchy. >> another tick in the box to say, right, i'm now officially a part of this aristocratic world. i'm one of you. i have the title and my father has the house. >> and then diana was sent to another school called west heath. it was a safe and a cozy environment for diana. it is where her two older sisters sarah and jane had gone to school. ♪ >> here in the ballet class was somewhere she could shine. she adored dancing. and anyone who has danced, if you do enjoy dancing, you're just lost in yourself. >> leaping about, absolutely amazing. great leaps and bounds. >> she did it every day. >> it was quite a sight, wasn't it? >> yes, it w

. >> reporter: diana's childhood home, the althorpe estate., single handedly transforming public perceptions of everything from hiv/aids, to leprosy, to the scourge of disused land mines. her celebrity was her greatest asset, but it's also what ultimately killed her according to both her sons and her brother, who still lives here at althorp. >> our thanks to max foster. the all-new cnn original series "diana" premieres tonight at 9:00. >>> i'm pamela brown in washington. you are live in the "cnn newsroom" on this sunday evening, and it's great to have you along with us tonight. >>> frustration, finger-pointing and paralysis. in washington, the toxic brew is rising to a bubble. lawmakers now face tremendous pressure to take on facebook just days after a whistle-blower launched blistering and damning accusations against the company that it's allowing extremism to thrive, fomenting national divisions and even harming the mental well-being of children. >>> and at the white house, troubles new and old weigh down the president.

. >> in november 1977, diana's eldest sister, sarah, invited the prince of wales for a shoot at althorpesister, but i think she wanted to start rubbing shoulders with the absolute top level of english society at the time, and that's the royals. >> the night before there was a dinner, and that was the first time that she and charles noticeably met one another. >> my sister was all over him. clearly he must hate that and i kept out the way. >> i suspect when she met prince charles that weekend, she fell for him. she went back to west heath to her school and nurtured dreams about charles in the way that any teenager nurtures dreams about a pop star. >> sarah spencer's relationship with prince charles came to a grinding halt in an interview with the press. she says she has no interest at all in marrying prince charles, but not only that but he was merely one of thousands of boyfriends. just giving an interview to the press was complete anathema to the royal family. you never do that. >> i think he was extremely aware that every woman we went out with, he had to be able to trust them. >> char