• Anna Wintour will wear a custom Chanel Haute Couture black and white embroidered dress made especially for her by Karl Lagerfeld. [Fashion Week Daily]

• Blake Lively's going to the ball, too. Check her out in this new Vanity Fair spread of her wearing couture in Paris. Consider it a warm-up for all those gala photos you'll see of everybody tomorrow. [VF]

• Audrey Tautou is the new face of Chanel No. 5, confirming earlier reports she'd replace Nicole Kidman. So that explains why she's wearing Chanel at the gala tonight. [Fashion Week Daily]

• Agyness Deyn isn't going to the Met gala tonight because of a European shoot, so Burberry designer Christopher Bailey is taking Lily Donaldson instead. [Fashionista]

• Speaking of Burberry, we JUST received a press release that revealed Mario Testino will also wear Burberry. Lily Donaldson will wear a "custom-made nude strapless, ruched-bust, chiffon floor-length gown, amber gem clutch, jewelry and shoes, all by Burberry."