After recent revelations that she had lapsed from her sobriety, Demi Lovato was hospitalized with a reported overdose.
Though we are still learning more about the situation, it was initially reported as a heroin overdose. Some reports of what caused the overdose are conflicting, however.
When the news first broke, it was unclear if she would even survive the night, and thoughts and prayers from countless millions of fans poured in.
Many celebrities, friends and exes and colleagues of Demi's and even just those who are fans or familiar with her struggle with addiction, took to Twitter to shower Demi with love.
Take a look:
Joe and Demi famously dated back during their Disney days. They've each gone their separate ways, but they still matter to each other.
Nick Jones, like Joe, will always be part of Demi's story.
Ellen is a friend to celebrities from all walks of life, including Demi and countless others who have struggled with addiction.
Camila Cabello is one of the most beloved singers out there, in part for her ability to make friends with just about everyone. She's a sweetheart.
Lady Gaga knows what it means to struggle with your health.
Ariana was a Nickelodeon star -- well, after Broadway -- while Demi rose to fame on Disney, but that's all in their past. Ariana has a lot of compassion for her fellow singers.
Ariana's mom is active on social media and regularly interacts with Ariana's fans, but this woman has an endless bounty of compassion for everyone -- Demi included.
Ruby and Demi are not only friends -- the two allegedly hookedup several years ago, though Demi has stated that they were never in a relationship.
Ruby Rose (Again)
A lot of people who knew Demi best took this harder than those who only knew her professionally. Ruby is among them.
Bella took to Instagram instead of Twitter, and even replied to comments to discourage her followers from giving up hope.
From one former Disney star to another.
Tyler Shields is one of the most famous celebrity photographers on the planet, and is friends with a number of celebrities from Demi's generation.
Sean is a Jamaican-aAmerican rapper who has known quite a few legal troubles, but his heart still goes out to Demi.
Dr. Phil might not be the first person you think of when it comes to Demi's circle of celebrity friends and fans, but he has encountered more addicts than most and spends much of his career speaking about the difficultings of combating addiction.
Unfortunately, some people replied to Brad's tweet with arguments that addiction is a "choice." It is not.
Adam Lambert is a delight in the entertainment business, and so is Demi.
Alyson Stoner is, of course, another former Disney star.
Emmy Rossum is a true talent and a compassionate person.
Dwyane Wade is a professional basketball player. He used his platform to send Demi his thoughts and prayers.
Kehlani is another of those for whom this harrowing news hit close to home. In recent months, she performed on stage with Demi, sometimes in intimate poses.
We're sure that Victoria wishes Demi well, though this was almost certainly tweeted by a social media manager.
Best known as one of the stars of Riverdale, Lili is also dating Cole Sprouse -- who was of course a Disney star at the same time that Demi was.
Xtina and Demi are both known for their soul-shattering vocal power.
Ed Sheeran and Demi have worked together, and this heartbreaking news definitely hit home across the pond.
Keiynan was a star of Dance Academy and has gone on to star on The Flash, Legends of Tomorrow, and in the hit film Love, Simon. He is a beacon of goodness and his tweet is as wholesome as he is.
Paula Abdul's tweet is sweet, and several years ago admitted that she had her own past with drug addiction.
Maren Morris is a Country music singer who has released four studio albums.
Another from the music business, Bebe was moved by Demi's situation.
Anneliese van der Pol
This Dutch-born American actress-slash-singer-slash-dancer is rooting for Demi. We all are.
Christy Carlson Romano
In addition to also being in the music business, Christy got her start on the Disney Channel -- just like Demi.
Missy Elliott reached out. One legend recognizes another.
This Westworld actor reached out to caution people against every trying heroin even once. He's right, though Demi's case is not as simple as it was first reported.
Oshea Jackson Jr.
Oshea is the eldest son of Ice Cube, and is also a rapper. It was good of him to reach out like this.
Lilly Allen is a legend in and of herself.
Meghan Trainor has also dealt with body image issues, just like Demi.
Noah Cyrus is, of course, the sister of Miley Cyrus, who rose to prominence alongside Demi on Disney.