"Harry Potter" star and Oxford University student Emma Watson dazzles the red carpet in the premiere of her latest flick "My Week with Marilyn" after protagonist Michelle Williams is a no show in the said event.

Emma Watson promoted the movie on its UK premiere after the film's star Michelle Williams was unable to make it on the event. The 21-year-old actress plays the role of a wardrobe mistress Lucy in My Week with Marilyn, opposite the film's protagonist Colin Clark, played by rising star Eddie Redmayne.

Emma looked prim in a black skirt and white embellished top from designer Jason Wu's Spring/Summer 2012 collection.

Actor Eddie Redmayne posed alongside Emma Watson and Kenneth Branagh at the premiere other casts, Michelle Williams and Dame Judi Dench, were unable to attend.

"My Week with Marilyn" is a film based on Colin Clark's memoir of a week as a third assistant director, or dogsbody, on an indifferent British film comedy, The Prince and the Showgirl.

The film narrated the experiences of Colin Clark who spent a week with Hollywood's prime actress Marilyn Monroe.

Michelle Williams' portrayal as Marilyn Monroe definitely got an Oscar buzz. The actress was able to give superb performances on films "Brokeback Mountain," "Blue Valentine" and the little-seen "Incendiary."

Just a few years ago, Michelle Williams almost quitted in her acting after suffering a great loss of husband Heath Ledger and having few unsuccessful films. However, things began to turn around after the Oscar-nominated film "Brokeback Mountain."

Now, is her stellar performance in "My Week with Marilyn" enough to won her an Oscar?

Watch the trailer of the movie "My Week with Marilyn" below.

"My Week with Marilyn" also stars Dame Judi Dench, Dominic Cooper, Dougray Scott and Julia Ormond, opens in the US on November 23 and November 25 in UK theatres.

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