Princess Olympia shared the front row with Sistine Stallone at the Michael Kors runway show at New York Fashion Week. Photo: Jamie McCarthy/Getty Images for Michael Kors
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Prince Albert of Monaco's niece, Pauline Ducruet, made a stylish appearance at the John Galliano show during Paris Fashion Week Ready to Wear Spring/Summer 2017. Photo: Wyters Alban/ABACA / ABACA/PA Images
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Tatiana Santo Domingo snuggled close to Diane von Furstenberg during the Giambattista Valli Haute Couture Spring Summer 2017 show in Paris. Photo: Pascal Le Segretain/Getty Images
