Olivia's Curls vs. Whitney's Waves! Which City Gal's Tressed To Kill?

Whether you watch The City for Erin's put-downs, Olivia's outbursts or Whitney's awkward pauses, one thing that keeps us all coming back is the girls' stealworthy style. Not only are we scopin' out the fab four's fashion must-haves (like head-to-toe black and bling-it-on necklaces), but we're also taking notes on their stellar haircare. So which glossy goddess deserves to win for best tressed? Check 'em out, then vote for your fave fall 'do!