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The snug-fitting dress, which hit just above the thigh and had an off-the-shoulder sweetheart neckline, had reportedly sat in the Princess of Wales' wardrobe for three years before the event, due to concerns that it may have been "too daring" for royal standards

This dress did not do that

Ahead, we talked to Pnina Tornai about where her journey with Kleinfeld has led her, and some of the tidbits she's learned along the way

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For dinner, Erin completed the look with wedge sneakers, the white cropped jacket, a chunky necklace, and her white handbag