Another weekend in L.A. means another round of exclusive events for stars to hit, this time with a splendid polo match, an elegant luncheon, a gala and a premiere, where they showcased an array of chic styles. From head-to-toe white and show-stopping red, to houndstooth and open-back frocks, see how the ladies of Hollywood embraced the fall season in Southern California style with our top nine looks of the weekend.