From posh to punky, the updo is Fall's new ponytail. But don't worry if yours has come loose (or if you're on day two), the point of these updos and the thing that makes them so refreshingly modern (and actually feasible): They aren't uptight.
Giambattista Valli, Paris
Prada, Milan
Chanel, Paris
Vera Wang, New York
Christian Dior, Paris
Rochas, Paris
Vogue Fall Beauty Guide, 2010