<P> In July 2011, Keira Knightley began rehearsals, in preparation for principal filming which began later in 2011 . Filming began in October 2011 . The film was distributed by Focus Features in North America and by Universal Pictures International for international markets . The film was released on 7 September 2012 in the United Kingdom and 9 November 2012 in the United States . </P> <P> Upon its release, the film received mildly positive reviews from critics, with some praising the cast--particularly Knightley--and the production design, but criticising the script and Wright's apparent preference for style over substance . The film received a positive review score of 63% according to review aggregator Rotten Tomatoes . Metacritic reported an average score of 63 out of 100, based on 41 reviews and classified the film as "generally favorable". </P> <P> Oliver Lyttleton of The Playlist awarded the film a B+ and called the picture a "bold reimagining" of the classic novel, comparing Wright's vision to the films of Powell and Pressburger . He noted how Knightley "continues to go from strength to strength" and also praised Law as "excellent". Even though he speculated that "the film is going to divide people enormously", he concluded it was one to "cherish despite its flaws". Ian Freer of Empire awarded the film four stars out of five and was effervescent in his praise for Wright and the final result: he said "Anna Karenina militantly doesn't want to be just another costume drama; it attacks the heavyweight concerns of Russian literature (hypocrisy, jealousy, faith, fidelity, the pastoral vs. the urban, huge moustaches) with wit and verve; most exciting of all, it is filmmaking of the highest order, channeling every other art form from painting to ballet to puppetry while remaining completely cinematic". He lauded the entire cast for their work yet concluded that "this is really its director's movie". </P> <P> In The Observer Jason Solomons also called Knightley "superb", and declared that the film "works beautifully...(it is) elegant and exciting (and)... incredibly cinematic". Leslie Felperin of Variety was more reserved in her praise for the film, observing that although Wright "knows how to get the best from Knightley" and noting that the film was technically "glorious", it was also "unmistakably chilly" in the storytelling . The Daily Mirror singled out Knightley as "excellent" and lauded Wright for "offer (ing) a fresh vision of the Tolstoy classic", concluding the picture to be "with its beautiful cinematography and costumes...a real success". </P>

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