Celeb Fashion Hit or Miss?

Vote on this week's styles including Jessica Simpson, Paris Hilton and more stars! You decide – are they fashionistas or flops? By Andrea DeSimone and Melissa Liebling-Goldberg

  • JANUARY JONES photo | January Jones

Credit: Todd Williamson/WireImage

Updated: Friday Jul 25, 2008 | 12:05 PM EDT

JANUARY JONES

The Mad Men star gives a nod to her '60s character at the TV show's second season premiere in a sweet Miu Miu frock, telling PEOPLE "I'm doing kind of a modern-day Betty Draper tonight."