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After nearly three months of inpatient treatment, Demi Lovato is finally heading home.

A source close to the 18-year-old Disney star tells Celebuzz that she has completed her required treatment and will be moved to an outpatient treatment program.

“Demi came back to LA earlier this week,” the source tells Celebuzz. “She completed her prescribed treatment and an outpatient program near the treatment facility.”

The source says that Demi will “focus first and foremost on her well-being” but that she will “continue to see doctors in LA who will help her work on the issues she confronted in treatment.”

“She is so grateful to all of her fans for their unbelievable support,” says the source, “and looks forward to being able to talk to all of them very soon.”

Demi checked into a rehab center in late October after abruptly quitting her South American tour with the Jonas Brothers. The Sonny with a Chance star sought treatment for “emotional and physical issues” following a fight with back-up dancer (and former friend) Alex Welch.

Alex later filed a civil suit against Demi but dropped her case shortly before Christmas.

Earlier this month, Demi thanked her fans through her Facebook page for their support. “I want to make sure my fans know how thankful I am for all their love, support and prayers during this difficult time,” Demi wrote. “Thank you for standing beside me through it all.”

Filming for Sonny with a Chance‘s third season started on Friday but producers said that they plan on only filming Demi-free “So Random!” sketches while Demi remained in treatment. It isn’t immediately clear if Demi will be returning to the Sonny set on Monday.

Check out a clip of Demi on Sonny below.

Are you excited for Demi’s return to post-treatment life? Share your thoughts in the comments.