Stars brought their fashion A-game this week, dressing for L.A.'s version of fall as they hit swanky events, from red carpet movie premieres and dinner parties to designer BBQs. Between the drop-waist frocks in black and white, dressed up denim, and gorgeous gowns, there were ensembles to admire from all over the style spectrum. See our top 10 party looks of the week in this edition of L.A.'s Best Dressed Guests.