Sienna Miller: Style Evolution (PHOTOS)

12/27/2011 03:15 pm ET | Updated Oct 11, 2012

British It-girl Sienna Miller is a chameleon when it comes to fashion. The actress, model and designer (she heads Twenty8Twelve with sis, Savannah) looks equally fabulous in boho frocks, dazzling floor-length gowns or shorter-than-short minis.

Pairing every look with her signature tousled locks, Miller makes dressing for the red carpet seem effortless.

See more of Miller’s ever-changing ensembles as we celebrate her 30th birthday this Wednesday.

And have a look through our many other Style Evolutions here.

CELEBRITY RELATED LINKS YOU MAY LOVE:

Is Kim Kardashian's Look Fashion-Forward Or A Fashion Flop? - People Style Watch

The Top 10 Red Carpet Looks Of 2011 - Lucky

Rosie Huntington-Whiteley's Chic Seasonal Layers - FabSugar

Gallery: The 10 Most Narcissistic Things For Sale At Gaga's Workshop - The Gloss

Olivia Wilde Lets Out Her Inner Party Girl in Revlon's New Ads - Racked

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