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The "A Complete Unknown" actress accessorized her lace, A-line gown with a diamond necklace

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I prefer arm coverage, so I added this little linen and cotton cardigan, which matches the color perfectly

An alternative to going exact with it, however, is to opt for a similar shirt and her magnetic badge

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Long-Sleeve Mini Swing Dress The Long-Sleeve Mini Swing Dress features a flattering crew neckline with fitted long sleeves