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Sienna Miller


Sienna totally kicks butt on -- and off -- the red carpet (don't you heart her casual-chic layered look?). And soon she'll be kicking butt onscreen! Sienna just signed on to star in the new G.I. Joe movie as a tough bad-girl spy. What do you think of Sienna's style? If you heart it, here's how to get it.

1. Knit Hat


Warm knits are necessities for winter! Cover your head in style like Sienna did, and opt for a gray beanie ($14.50, delias.com). (Gray is the new black, after all!).

2. Red Cotton Tee


A red top is a must-have for the holiday season! We like this ribbed tunic from Alloy ($15.50) 'cause it's great for layering.

3. Peacoat Bomber


Love Sienna's fitted, princess-sleeve jacket? Check this double-breasted, black-and-white wool version ($58.50, delias.com).

4. Black Skinny Jeans


Stretchy black skinnies like these ($36.50, alloy.com) are comfy and versatile. Wear leggings underneath on super-cold days and your gams will stay warm!

5. Suede Sherpa Boots


Suede on the outside, sherpa on the inside? What more could you want? For footwear similar to Sienna's, look no further than these cozy boots ($39.50, alloy.com).

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