Giambattista Valli cemented his status as the go-to designer for the party set in 2007, thanks in part to his friendship with Mary-Kate. She wore a super-short Valli dress and his neon Victoria heels—not to mention several hundred thousand dollars' worth of diamond bracelets—to that year's 7th on Sale gala.
The Olsens signed on as the faces of Badgley Mischka's Fall 2006 campaign, and at the Met gala that year, the 19-year-olds channeled a mature style in custom gowns by the designers (with grown-up makeup to boot).
Mary-Kate and Ashley debuted on one of fashion's biggest stages: the Costume Institute Gala. Mary-Kate stuck with vintage lace from What Goes Around Comes Around, while Ashley went for a more polished look from Oscar de la Renta.
Mary-Kate models a sequin dress sample from Elizabeth and James in 2006; the following year, the girls would add designer to their résumés with the launch of The Row and Elizabeth and James, their lower-priced contemporary line.
The Olsens always bring their "A" game (and plenty of suitcases) when they attend Paris fashion week. At the Fall 2008 shows, Ashley turned heads wearing Kova & T's Oxy latex leggings and a chic headband.
Mary-Kate took the season's studding trend to the extreme with a Givenchy leather biker jacket (said to be borrowed from friend Vanessa Traina), which she wore with a Louis Vuitton leopard scarf, round white sunnies, and her favorite Balenciaga boots.
The Olsens enroll at NYU in 2004, and their signature style starts to emerge: tribal-inspired accessories, tattered denim, loads of jewelry, and, of course, oversize sunglasses.
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