WATCH BELOW: Prince Harry on Princess Diana loving Meghan MarkleIn 1996, the newly divorced Princess Diana visited Chicago for a three-day visit as a guest of Northwestern University's then-president, Henry Bienen.The royal toured the university campus but also attended a black tie gala at Chicago’s Field Museum of Natural History to raise money for cancer research.Diana paid tribute to the university through her fashion by wearing a stunning purple Versace gown - Northwestern's