Celebrity Couples Liam Hemsworth Loves and Hookups. Many famous women have dated Liam Hemsworth, and this list will give you more details about these lucky ladies. In , Liam Hemsworth began dating Miley Cyrus while filming The Last Song together. Miley Cyrus and Liam Hemsworth have had the sweetest, craziest, most They may not have been dating the whole time, but their relationship. Miley Cyrus, Liam Hemsworth, Vanity Fair Oscar Party Miley and Liam first started dating in , after they met on the set of the film.