The 2012 BAFTA Awards were a glamorous affair in London today. Best actress nominee Michelle Williams led the pack in a gorgeous H&M bespoke gown while Christina Hendricks, who is presenting, chose a one-shoulder black L'Wren Scott. The Help's Viola Davis brought a pop of color in a pink Valentino, and presenter Penelope Cruz followed suit in strapless red Armani Prive. Kristen Wiig, up for best screenplay for Bridesmaids, chose white, as did We Need to Talk About Kevin's Tilda Swinton. Jessica Chastain made her latest award season appearance in a metallic Oscar de la Renta gown and Harry Winston jewels, and Meryl Streep went with Vivienne Westwood for the big night. Elsa Pataky covered her baby bump in navy as she posed alongside husband Chris Hemsworth, who is nominated for a rising star honor. Don't miss all the red-carpet arrivals at the BAFTAs, including Brad Pitt, George Clooney, Jon Hamm, Michael Fassbender, and more! Also, be sure to vote on your favorite BAFTA looks.