Sienna is absolutely charming with 1940's cascading blonde soft waves.
Sienna Miller
The length? Hair extensions maybe? This is very possible. A large barrel curling iron held vertically and winding sections around the outside of it and toward the front help to get this look. Her bright blue eyes, dark eyebrows, and red lipstick add to her overall appeal. This photo of her was taken at G.I. Joe: The Rise of Cobra Los Angeles Premiere.
