Sienna Miller was spotted walking her dog in New York City on Saturday looking very stylish. She wore muted colours adding interest with mixed textures topping off the look with a military jacket from Twenty8Twelve's Autumn line [1]. Sienna was carrying a burgundy Prada tote, which she is rarely seen without these days! See below to copy her look.

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MARC JACOBS - Brown/grey round-framed sunglasses [2]MARC JACOBS - Brown/grey round-framed sunglasses [3] by Marc Jacobs [4] £274.00 at farfetch.com [5]
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Twenty8twelve [6]Twenty8twelve [7] by Twenty8Twelve [8] £265.00 at Matches Fashion [9]
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Knitted Jumper By Boutique [10]Knitted Jumper By [11] by Boutique [12] £55.00 at Topshop [13]
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ASOS Lace Puff Sleeve Top [14]ASOS Lace Puff Sleeve Top [15] by Asos [16] £28.00
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Prada Saffiano & Tessuto Tote [17]Saffiano & Tessuto Tote [18] by Prada [19] $1,550.00 at Saks Fifth Avenue [20]
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Twenty8Twelve by s.miller Bolen Skinny Jean [21]by s.miller Bolen Skinny Jean [22] by Twenty8Twelve [23] £75.00 at Asos [24]
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Vivienne Westwood Suede pirate boots [25]Suede pirate boots [26] by Vivienne Westwood [27] £390.00 at Net-a-Porter [28]