demi lovato
Photo: Getty

Update, 8:58 p.m.: Demi Lovato‘s rep has responded to news of her hospitalization in a statement to Variety:

“Demi is awake and with her family who want to express thanks to everyone for the love, prayers and support. Some of the information being reported is incorrect and they respectfully ask for privacy and not speculation as her health and recovery is the most important thing right now.”

TMZ reported earlier this evening that the 25-year-old singer was hospitalized following a suspected heroin overdose in her home today, citing law enforcement sources. However, a source close to Lovato later told the tabloid that the overdose was not from heroin.

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Update, 5:09 p.m.: A source told People that Demi Lovato is “okay and stable” following her hospitalization for an alleged narcotic overdose today.

Read more info below.

Original story, 4:27 p.m.: TMZ has reported that Demi Lovato has been hospitalized for a heroin overdose, according to law enforcement. There has been no public confirmation from the singer or her team yet.

The 25-year-old pop star was transported from a Hollywood Hills residence before noon on Tuesday and is currently being treated, per TMZ. The site adds that the overdose occurred in her home. Lovato’s condition is currently unknown.

The LAPD confirmed to People that they and the LAFD “responded to a medical emergency at the 8000 block of Laurel View Dr. at 11:40 a.m.” They didn’t disclose the patient’s identity.

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Demi’s last public appearance was at the California Mid-State Fair on Sunday, where she performed with Iggy Azalea, according to Entertainment Tonight.

demi lovato
Demi at the California Mid-State Fair Photo: Getty

The Disney alum has previously suffered from substance abuse, but celebrated six years of sobriety in March. However in June, she released a chilling new song, “Sober,” where she appeared to reveal that she relapsed. The track included lyrics like, “I’m so sorry, I’m not sober anymore.”

Back in March when celebrating her six years clean, Lovato opened up about her journey with an emotional speech mid-concert.

“The reason why I became so open about my story is because I know that there are people here tonight that need to ask for help and I want them to know that it’s OK,” she said at the time, E! News reports. “Mental health is something that we all need to talk about and we need to take the stigma away from it. So let’s raise the awareness. Let’s let everybody know it’s OK to have a mental illness and addiction problem. I’m bipolar, whatever. I take care of myself.

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“I can never say thank you enough to you guys for the support that you’ve given me over the years,” she said. “And you’ve forgiven me for my mistakes. So thank you for being a part of saving my life. I love you guys.”

If you or someone you know is struggling with substance abuse, call the Substance Abuse and Mental Health Services Administration (SAMHSA) at 1-800-662-HELP (4357).

This post has been updated.

This article originally appeared on Harper’s BAZAAR US