Being Matthew Williamson's muse definitely helps.
Sienna Miller attended a benefit in London wearing a Spring 2012 look from his collection.
The plumed, coral coloured concoction looked beautiful, and Sienna was radiant!
Simple suede pumps in a taupe colour and a back box clutch made sure her dress was the focus point.
Image Sources: nymag.com/fashion, instyle.com
