Style Setter or Trend Addict?

Are Mary-Kate Olsen, Lindsay Lohan and other starlets guilty of fashion overkill? Check out their looks – then vote on it. By Caryn Midler

RACHEL BILSON

The O.C. star takes a bit of Orange County with her as she visits MTV's TRL, matching her bright sundress with boho cowboy boots, beads and a low-slung belt.