Mischa Barton has so many personalities these days. She's a real-life bad girl, recently getting slapped with a DUI; then a good girl taking it easy at the Sundance Film Festival with her mom. Now she's taken her double life to her recent Spring '08 ads. In the Keds Spring ads, she's a goody-goody actress wearing airy dresses and the latest Keds footwear. For Iceberg's Spring ads, she exudes a raw sex ...