Taken when the 'Factory Girl' star was only 17, they show Sienna pracising her latest yoga poses and puffing provocatively on a cigarette, as she stares seductively into the camera.
While her star potential shines through even as a teenager, some of her sartorial choices are a little dubious, such as the PVC red top.
Scroll down for more pictures...
Sienna (then aged 17) practises her latest yoga pose
Sienna stares provocatively into the camera
However that was then, and in the intervening eight years Sienna's individual sense of style has often gained her more attention than her film roles.
At the time of the photo shoot, Sienna reportedly declared 'I'll be famous'.
Looking at these pictures, that was never in doubt.
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