Miley Cyrus was so devastated finding out about Billy Ray & Tish's impending divorce she got back together with ex-boyfriend Liam Hemsworth for support & normalcy. A family insider told Hollywood Life: 'Miley knew about the divorce awhile ago and she’s been taking it really hard. Pretty much at the same..
time, she broke up with Liam, Hannah Montana was ending then her parents’ marriage was falling apart. She got super stressed out and that’s really when she started acting out more. She got back together with Liam because she wanted some normalcy and structure. Plus, her parents really like him too and so she’s trying to make it work. She’s just doing the best she can.'
Source: Ocean Up