By InStyle Staff
Updated Aug 18, 2015 @ 4:45 pm
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With the days of bohemian frocks, floppy hats, and slouchy ankle boots behind her, Sienna Miller is now all about protecting her refined edge. The British actress' Victoria Victoria Beckham dress, Prada shoes, Salvatore Ferragamo sunglasses, and Alexander McQueen handbag ensemble (above, right) is the perfect middle ground look that sums up her style. For a more glam look, Miller turned it up a notch as the 2015 Cannes Film Festival in Balenciaga (above, center) and then showed us how to master relaxed street style in a cream-colored Stella McCartney top paired with black trousers and suede mules (above, left).

Inspired by Miller's timeless style? Revamp your wardrobe with these ladylike classics that have a kick of cool.

The Oversize Sunglasses

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Dior, $335;

The Cropped Shell

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Tibi, $425;

The Structured Tote

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Henri Bendel, $478;

The Bold Lip Color

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Charlotte Tilburry 'Matte Revolution" lipstick in 'Bond Girl' (left) and 'Walk of Shame' (right), $32 each;

The Tapered Pants

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Theory, $285;

The Suede Mules

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Trademark, $378;

The Sheath Dress

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Vivienne Westwood Anglomania, $485;

The Slit Skirt

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L'Agence, $325;

The Minimalist Heels

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Barneys New York, $390;

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