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Who? Emily Blunt.
What? Showing everyone how to do a cutout dress in style on the red carpet; no indecent flesh-flashing or muffin tops hanging out here. The actress was stunning in her white form-fitting frock with its tiny slashes on the shoulder and at the waist giving another nod to sexy.
The subtle blonde locks. the bronze metallic stilettos, and perfect-as-usual makeup all added up to create a blimey-doesn't-she-look-amazing ensemble.
Oh, we'd better mention that hubby John Krasinski looks pretty sharp in his grey suit, too (we don't like to leave anyone out).
Where? The National Board of Review Awards Gala, New York, 8 January.

Verdict? Love at first white...
More gorgeous blondes here:
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Sienna Miller
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Celebrity hair inspiration: Blondes
Cameron Diaz
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Celebrity hair inspiration: Blondes
Scarlett Johansson
We just love this seriously sexy, feminine look on Scarlett Johansson. She makes a nod to the two-tone trend with her ash-blonde locks turning a little more honey-hued towards the bottom.