Getty Images (4)Our PicksFrom Anne Hathway to Jessica Biel, Best & Worst Dressed of the Week (Photos)From Amanda Seyfried's stunning Balenciaga to Jessica Chastain's bundle of roses, see the fashion highs and lows of the week.Isabel Wilkinson12.08.12 4:25 PM ETGetty Images (4)Getty Images (4)From Amanda Seyfried’s stunning Balenciaga to Jessica Chastain’s bundle of roses, see the fashion highs and lows of the week. Slaven Vlasic / Getty ImagesBest Dressed, Split-Personality Dressing: Allison Williams It may be the Dr. Jekyll and Mr. Hyde of dresses, but the red and black L’Wren Scott dress Williams wore to the seventh annual Women of Worth Awards balanced out nicely. Stuart Wilson / Getty ImagesBest Dressed, White on White: Anne HathawayDespite some cold shoulders and porcelain skin, the Les Misérables stars looked stunning in an ivory Givenchy Couture dress at the world premiere of the film in London. Andrew H. Walker / Getty ImagesBest Dressed, If Not Entirely Seasonal: Jessica BielHer husband may have been in a coat and hat, but that didn’t stop Jessica Biel from looking summery in a green Nina Ricci dress and blue Jimmy Choo heels at the Playing for Keeps after-party in New York on Wednesday night. Cindy Ord / Getty ImagesBest Dressed, Coming Up Roses: Jessica ChastainWell this is positively rosy. The Zero Dark Thirty star looked lovely in a floral Preen dress at a photo call for the film in New York on Tuesday. Alexandra Wyman / Getty ImagesBest Dressed, Prim and Proper: Kerry WashingtonThe Scandal star looked ladylike in a gray Carven dress at The Hollywood Reporter’s Power 100: Women in Entertainment breakfast at the Beverly Hills Hotel. Stuart Wilson / Getty ImagesBest Dressed, With a Hint of Salsa: Amanda SeyfriedIn a dress straight off the Balenciaga SS13 runway with a giant flourish of ruffles, Amanda Seyfried looked ravishing at the Les Misérables London premiere. Imeh Akpanudosen / Getty ImagesWorst Dressed, Rock and Rococo: Ke$haIt may be tame compared to her usual fare, but Ke$ha still looked nutty in a brocade suit, printed top, and penny loafers at Jingle Ball in Los Angeles. Nathan Cox / Getty ImagesWorst Dressed, Like the Pope’s Curtains: Nicole ScherzingerThe X Factor judge was a bundle of mixed metaphors (Victoria Beckham meets Little Red Riding Hood?) at a press conference in Manchester, England.