The Best-Dressed Stars This Week: 10/11/13

Theme of the week: black and white. Gorgeous gowns and cool sweaters and mini skirts ruled the red carpet the past seven days—take a look at our picks for the most stylish stars.

Kate Mara accessorized her collared LWD with Rebecca Minkoff's 'Coco' clutch at the Launch Celebration For Martell Caractere Cognac Hosted By Andy Garcia. Chic!

Nicky Hilton donned a star-print Dolce & Gabbana mini and bejeweled clutch with her name on it for The Counselor premiere. Cause that's how Hiltons roll.

Lea Michele looked gorgeous in a color-blocked dress and black strappy heels at lunch with her Glee cast mates at the Culina Modern Italian restaurant at the Four Seasons Hotel.

Whitney Port was fall weather appropriate in a leather zip skirt, snakeskin sweatshirt, and Farbod Barsum black lizard clutch With Swarovski Crystals at TACORI's star-studded event this week.

<3 Stana Katic's Donna Karan black crop top and high-waisted tulle and mesh skirt at the CBGB movie premiere.

The ageless wonder that is Julianne Moore choose Givenchy for the Carrie world premiere.

Jamie Chung's striped, cropped sweater, floral skirt, and Rebecca Minkoff 'Derea' laser-cut boot in smoke = a winning combo.

Laura Vandervoort's gold-belted white dress at the Bitten photo call at Mipcom was pretty major. Loving her EMM KUO 'Ciggones' clutch too!

Jennifer Lopez stunned on the red carpet at the Human Rights Campaign National Dinner in a velvet Zuhair Murad Couture gown with hand-beaded sheer panels.

Karolina Kurkova wore head-to-toe Roberto Cavalli to the Vogue Fashion Dubai Experience, natch.