"Miley Cyrus and Liam Hemsworth's chemistry was evident in the 2010 Nicholas Sparks adaptation of ""The Last Song."" Hemsworth <a href='http://www.cnn.com/2012/06/06/showbiz/miley-cyrus-engaged/index.html' target='_blank'>proposed </a>to the former ""Hannah Montana"" star in May with a 3.5-carat diamond."
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