Give a stream of consciousness and then the final answer. In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett. In the movies, other than possessing the Ring Nenya, Galadriel displays an ability to communicate with others telepathically and to assume a radiant and terrifying appearance.

Based on this passage, who played the girl elf in lord of the rings?
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The relevant sentence in the passage is: In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett.
So, the final answer is Cate Blanchett.
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