(Getty Images; Bauer Griffin) L-R: Olivia Palermo, Rachel Weisz, Coco Rocha, Michelle Williams, Mila Kunis
In this week's battle of the best-dressed, we have Olivia Palermo
at the Dior show at Paris Fashion Week, Rachel Weisz
at the European premiere of Oz
, Coco Rocha
launching the Banana Republic Mad Men
collection, Michelle Williams
on the yellow brick road, and Mila Kunis
looking very Wicked Witch of the West-y.
But, by your judgement, who do you think is the best-dressed celebrity of the week? Vote here.