She thanked God for "keeping me alive and well," and told her legions of followers that their "positive thoughts and prayers have helped me navigate through this difficult time."
Lovato then thanked her team of medical staff at Cedars-Sinai, her family and her team by explaining that "without them I wouldn't be here writing this letter to all of you."
"I now need time to heal and focus on my sobriety and road to recovery. The love you have all shown me will never be forgotten and I look forward to the day where I can say I came out on the other side. I will keep fighting."