Hotter in Yellow: Rosario Dawson or Leighton Meester?

Rosario Dawson, Leighton Meester, and a couple other chicks with time and money to spare decked themselves out in sunny dresses and hit up the Diane Von Furstenberg Show at Fashion Week on Sunday. 

So in case you hadn't gotten the memo...yellow, apparently, is the color to wear these days.  But who wore it better?