Kate Winslet Wanders Seriously on the Set of 'Mildred Pierce'

Every time we see Kate Winslet on the set of her new movie Mildred Pierce she always looks so serious! The actress must have been working hard on set on Tuesday as she carried a large binder around with her. Kate also wore a rather frumpy floral dress on set, which certainly seemed to match her spirit!

OK! GALLERY: KATE WINSLET MAKES OVER NYC FOR MILDRED PIERCE

If Kate's grieving at all from splitting with her husband Sam Mendes then it certainly would lend itself well to her new character.

OK! GALLERY: KATE WINSLET PLAYS HER DIVORCED SINGLE MOTHER PART WELL

In Mildred Pierce, Kate plays a divorced single mother who decides to start her own business, which hurts her relationship with her daughter Veda, played by Evan Rachel Wood.