Miley Cyrus has gotten engaged to "Hunger Games" star Liam Hemsworth, People is reporting. Cyrus, 19, has been dating Hemsworth, 22, for three years, and the engagement has been confirmed to the magazine by their representatives. A wedding date has not yet been set. "I'm so happy to be engaged and look forward to a life of happiness with Liam," said the singer/actress. Australian actor Hemsworth and Cyrus met when they shared screen credits in 2009's "The Last Song." People reports that he proposed on May 31 with a 3.5-carat diamond ring in a gold band. As People's Julie Jordan...