Plunging Necklines

By Instyle
Updated Apr 06, 2015 @ 10:58 am
Michael Buckner/Getty

Plunging Necklines

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Sienna Miller

Credit: Sara De Boer/Retna

Sienna Miller in vintage Ossie Clark

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Ali Larter

Credit: Stephen Shugerman/Getty

Ali Larter in Ports 1961

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Mary-Kate Olsen

Credit: Jeff Kravitz/FilmMagic

Mary-Kate Olsen

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Felicity Huffman

Credit: Michael Buckner/Getty

Felicity Huffman wearing Dina Bar-El

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