Demi Lovato is Shaking

What difference a few months in rehab can make! Recently-sprung Disney star Demi Lovato is shaking what her Mama gave her and letting it all hang out on Twitter just a few months after a 90-day stint in treatment. The 18-year-old has been busy speaking out about the personal hell she lived in as she secretly battled self-mutilation and an eating disorder that became when she was only eight.