Miley Cyrus and Liam Hemsworth have called off their engagement ending months of speculation that their relationship was on the rocks.<br/> <br />The duo were together for four years. Reps for both confirmed the break-up, but did not give any reason for the separation.<br/> <br />Over the weekend, Cyrus stopped following Hemsworth on social networking site Twitter, which fueled break-up reports in the media.<br/> <br />They first met in 2009 on the set of the film "The Last Song," where the two played lovers.<br/> <br />The couple had announced their engagement in June last year.
