Lovato's aunt, Kerissa Dunn, had posted on social media that Demi had woken up following being hospitalised, according to TMZ. Original reports were that it was an apparent heroin overdose.
The singer had recently released "Sober", which lyrics reveal she had fallen off the wagon.
We're hoping Demi pulls through and gets well soon.
It is the same show that Iggy Azalea spoke of with ET earlier this month, when she excitedly revealed that she was opening for Lovato. We do not know her condition. Some of the information being reported is incorrect and they respectfully ask for privacy. "She is a light in this world, and I am sending my love to her and her family".
The 25-year-old singer was rushed to the hospital on Tuesday morning (July 24) after she was found unconscious at her home.
Proving to be a woman of many talents, Demi released her debut album Don't Forget in 2008. Azalea revealed to ET that she knew about Lovato's relapse and was anxious someone would use the news against her, but said ultimately, she was proud of Lovato for sharing her struggle in "Sober".
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Lovato was scheduled to perform on Thursday in Atlantic City as part of her tour.
Lovato, 25, has been open about her struggles with addiction and mental health issues.
In an interview with BillBoard, he said: "We could go the manufactured pop machine [route] and try to present this flawless image all the time".
The 32-year-old Pitch Perfect 3 star has had her own battle with drugs and alcohol addiction, and in a second tweet to a fan drew on that experience to reinforce the fact Demi needed a "support network".
The New Mexico-born performer rose to fame on Disney Channel shows "Camp Rock" and "Sonny with a Chance" 10 years ago and forged a pop career with hits like "Skyscraper" and "Sorry Not Sorry".