Miley Cyrus' ex-fiance Liam Hemsworth credits his 'Hunger Games: Catching Fire' co-star Jennifer Lawrence for making him 'much happier' than the twerking VMAs performer. As John Basedow (@JohnBasedow) reports, the Australian actor told the Associated Press that Katniss Everdeen's portrayer helped him find the key to happiness after his split from the 'Wrecking Ball' singer. <br />Watch NEW MEDIA STEW for the latest in celebrity and pop culture news!