Who's the Best-Dressed Star?

Weigh in on the style of Jennifer, Beyoncé, Jessica and 17 other celebs – then see who makes the top of the list in PEOPLE's Best & Worst Dressed issue, on newsstands Sept. 15. By Serena Kappes and Melissa Liebling-Goldberg

  • CHRISTINA AGUILERA photo | Christina Aguilera

Credit: Kevin Mazur/WireImage; H.Carreno/startraksphoto; MALIBU MEDIA

Updated: Wednesday Aug 09, 2006 | 06:00 AM EDT

CHRISTINA AGUILERA

A modern-day pinup girl, the sultry songstress sticks to slinky gowns at night (left, in Roberto Cavalli) and flirty day wear – and always her signature Christian Louboutin heels!