I have noticed in the Spring 2013 collections that Sheen is really in. I am a bit scared of shiny fabrics though as I typically think that they are too much for day wear and can be garish if not done right for evening.
This Spring, sheen is done with some modern twists. The secret is to ground these shimmering fabrics. This can be done by pairing them with a muted neutral color during the day and a bold solid color at night.