Grace exuded a cool elegance, prim, polished and poised — the sort of look that Betty Draper aspires to on TV's Mad Men.
French-born American fashion designer Oleg Cassini, Grace's onetime fiancé, is credited with shaping her signature style: circle skirts, nipped-in waists, sleek sleeveless gowns, furs, pearls, elegant capri pants and the Hermes handbag that still bears her name.
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Diana's schoolgirl chic soon evolved into a sophisticated yet still youthful sense of style, even when donning a matching suit and hat for her royal duties and appearances.
In the 1980s, Diana was fond of gowns that featured the big-shouldered look favored by the cast of TV's Dynasty. But by the '90s, her leaner, more mature figure benefited from sleek, one-shoulder formal wear.