Guess the Hollywood Star in Topshop's First Holiday Campaign

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Does the waist above look familiar to you? How about this hair? If so, please help us figure out who Topshop has tapped for its first-ever holiday celebrity campaign. The mega-popular British fast-fashion chain has just unveiled a 17-second teaser of the film, which was "shot and directed by a Hollywood director and is loosely based on the iconic Fabulous Baker Boys scene where Michelle Pfeiffer sings on a piano," according to the brand.

The campaign's star isn't Pfeiffer, but it is another Hollywood A-list actress. For the next few days Topshop will be unveiling more teasers and clues of their #WHOSTHATGIRL campaign, which all leads to the grand reveal on Topshop.com on December 4th. Care to take a stab? Check out the video below and Tweet to @Topshop with your guess for a chance to win a shopping spree. (For the record, we're betting on Emma Stone.)

· Topshop [Official Site]