Michelle Williams Sings as 'Marilyn'

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Michelle Williams is Marilyn Monroe in My Week with Marilyn, in theaters November 23, and we have a clip of Michelle in action, singing just like the Hollywood legend!
My Week with Marilyn follows Monroe during her 1956 visit to London, where she was filming The Prince and the Showgirl opposite Laurence Olivier (played by Kenneth Branagh). The chemistry between the two screen titans was notoriously tense during their movie match-up, and Monroe was on her honeymoon with her new husband, playwright Arthur Miller (Dougray Scott).
After Miller left London, film set assistant Colin Clark (Eddie Redmayne) introduced Marilyn to some of the pleasures of British life in an effort for her to get away from the pressures of Hollywood life -- and the two produced an unexpected chemistry.
My Week with Marilyn co-stars Emma Watson, Judi Dench, Dominic Cooper and Julia Ormond.