She was introduced to you as Hannah Montana and annoyed you with her incessant media misfires and family drama. Now 19-year-old Miley Cyrus is about to add "old married lady" to her, er, storied resume, reports People. Her Hunger Games star/beau, Liam Hemsworth, 22, proposed Thursday after three years of dating; the pair met on the set of the widely panned Nicholas Sparks adaptation The Last Song. Crows Cyrus, "I'm so happy to be engaged and look forward to a life of happiness with Liam." And, no doubt, a life of depth.