Citing production issues, Lovato postponed the South American portion of her tour in April. "Her family and friends, who weren't involved, fear she's been hanging with people who support her drug habit".
"And I'm sure all her fans feel like that right now - just what can we do to help her?"
"Mama, I'm sorry I'm not sober anymore / And Daddy, please forgive me / For the drinks spilled on the floor / To the ones that never left me / We've been down this road before / I'm so sorry, I'm not sober anymore".
Lovato has been open about her struggles with an addiction to cocaine and alcohol, as well as mental health issues and an eating disorder.
Demi has been at Cedars-Sinai Medical Center in Los Angeles since Tuesday afternoon but reports she is ready to leave will come as a welcome update for fans.
"Tonight I took the stage, a new person with a new life", she tweeted.More news: Thomas thrives as Froome fades
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The gossip site has reported that Demi was found "unconscious in her bed after a long night of partying".
In her YouTube documentary, "Demi Lovato, Simply Complicated, " Lovato said at one point she idolized Amy Winehouse, whose seven-year death anniversary was Monday. Because I've only, like, I sang at the Grammys with her once.
He also featured in Simply Complicated, a documentary about her struggle released on YouTube previous year.
Lovato's most recent North American tour leg, which ran from February to April, grossed more than $20 million, according to tracking by Pollstar. She will be leaving the hospital and heading straight to rehab. I'm sorry that I'm here again. I am so happy you're alive. "If I know my monsters as well as I believe I do, we all wish you self-compassion and inner peace. Luckily, the Narcan worked and she will recover".
The entertainment world outpoured support onto Lovato this week, including Ellen DeGeneres, Bruno Mars, Lady Gaga and Ariana Grande.
"Our thoughts go out to Demi and her family", Fox said in a statement provided to CNN.
Sources say her team has been trying to mount an intervention for weeks, but she refused them everytime they tried.