Michelle Williams has flirted with the ultrablond pixie cut for years, and after a brief hiatus, it's back. Throughout most of the season while filming Take This Waltz, she's sported a coppery bob, which most of you were not loving. But yesterday at the Venice Film Festival, she showed off her everything-old-is-new-again look. We've seen Michelle experiment with different lengths — and she's even been a brunette — over the years, but how does this platinum pixie rate in your book?