This week's best-dressed celebs turned out a red carpet fashion fest. Not that there wasn't some outstanding street style — Nicky Hilton, I'm looking at you — but, just as you'd expect for the holiday season, celeb event dressing stole the show. Jessica Alba gave us a white-hot party frock, Malin Akerman kept it cool in denim, and Rosario Dawson gave us absolute elegance. Inside, there's much, much more. Click through to see who else caught my eye.