Michelle Williams in Jason Wu – The Tonight Show With Jay Leno

Michelle Williams made a guest appearance on The Tonight Show With Jay Leno on Thursday (January 5) in Burbank, California.

The 31-year-old My Week With Marilyn actress wore a sleeveless black and ivory silk gazar Jason Wu Spring 2012 cocktail mini dress with splattered embroidered Swarovski crystal elements and peplum skirt.  The short frock was accessorized with a simple cocktail ring and black Fendi patent bow front peep-toe platform pumps.