Sienna MillerSienna MillerOn the day that Kelly Osbourne's orange hair is unveiled, Sienna Miller has also revealed a new image.

Ginger cheeks.

Yes, you read right.

The one-time fashionista has been on a downward spiral since she chopped off her long locks - and it's just got worse.

Sienna sported the Tango look at a screening for her new flick Casanova.

And the poor love smiled and posed her way up the red carpet as if there was nothing wrong.

But, as our pictures show, Si looked more perma-tan Aunt Sally than young hip thing.

Judge for yourself in our gallery.