Plunging Necklines

Plunging Necklines
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1 of 5

Sienna Miller

Sara De Boer/Retna
Sienna Miller in vintage Ossie Clark
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2 of 5

Ali Larter

Stephen Shugerman/Getty
Ali Larter in Ports 1961

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Mary-Kate Olsen

Jeff Kravitz/FilmMagic
Mary-Kate Olsen
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4 of 5

Felicity Huffman

Michael Buckner/Getty
Felicity Huffman wearing Dina Bar-El
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