The Disney star entered rehab to receive treatment for 'emotional and physical issues' last year.
And Demi, 18, has since spoken up about her personal problems in the new Seventeen magazine, revealing how her parents helped her deal with her food fears.
Talking about her eating disorder as a contributor to the publication, Lovato wrote: 'I basically had a nervous breakdown.
'I was really bad off. My parents and manager pulled me aside and said, 'You need to get some help.' It was an intervention. I wanted freedom from the inner demons. I just wanted to start my life over.'