As her parents, Billy Ray & Tish Cyrus, go through their public divorce, Miley Cyrus is going through a breakup of her own. The former Disney star (who turns 18 on Nov. 23) is calling it quits with Liam Hemsworth -- again. The Last Song costars, who met during filming in 2009, first called off their romance in August but quickly reunited in September. Sources confirmed the news of their second breakup to Peopleon Nov. 5. Back in March the teen queen dished to iVillage about falling in love on their movie set and said she and Hemsworth "definitely had a cool connection."