Joe Jonas, Macklemore, Ariana Grande and Charlie Puth are among the celebrities who have sent support and well wishes to Demi Lovato after she was admitted to hospital.

The 25-year-old singer is reported to be in a stable condition in hospital in Los Angeles following a suspected drug overdose.

Lovato's former boyfriend and colleague, Joe Jonas, has sent his support after the Sorry Not Sorry hitmaker was reportedly taken to hospital following a suspected overdose. Since the news broke, the hashatag #prayfordemi has been trending on social media.

Jonas wrote: "Like all of you I am thinking of @DDLovato right now. She needs our prayers and support. We all know how strong you are Demi. #prayfordemi."

His brother and former Jonas Brothers co-star Nick Jonas, who also starred alongside Lovato in Disney movie Camp Rock, along with working on several music collaborations with her, posted: "Like all of you I am reeling at the news about Demi. All of us love her and need to pray for her to get well. She is a fighter. #prayfordemi."

Rapper Macklemore and singer Charlie Puth talked about Lovato, who has previously spoken of her battle with addiction and mental health issues, on stage at their separate gigs.

Macklemore performed his song Otherside, about his battle with addiction, on stage in Massachusetts and dedicated it to Lovato.

In a video clip shared on Twitter, Macklemore said: "I do that song because if it wasn't for my sobriety and my recovery, I wouldn't be on this stage here tonight, and I just wanna send prayers and my thoughts and love out to Demi Lovato, who I heard about, and I know, when we have this disease of addiction, that ties us addicts together, and that's my sister in recovery."

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Puth, who performed in New Jersey, told fans that his "heart goes out to Demi Lovato right now", adding: "I hope she has a quick recovery and my prayers are with her." Concert-goers tweeted that he dedicated his song See You Again to her.

Lady Gaga, who has previously opened up about her own mental health issues along with her battle with fibromyalgia, wished Lovato "inner peace".

"We should all wrap our arms of love around Demi Lovato. I am so happy you're alive. Thank God.

"If I know my monsters as well as I believe I do, we all wish you self-compassion and inner peace. And may you receive the love so many have for you. #ImConfidentInDemi Demi, I love you."

Singer Boy George wrote: "Wishing @ddlovato a speedy recovery. Let go, let GOD. The universe wants you here child. #recover #Recovery #Love."

Former Fifth Harmony star Camila Cabello tweeted: "You're in my thoughts @ddlovato, sending you love."
Bruno Mars wrote: "Sending love and prayers to Demi Lovato."

Ariana Grande simple ,writing "I love u" to Lovato.

TV personality and chat show host Ellen DeGeneres tweeted: "I love @DDLovato so much. It breaks my heart that she is going through this. She is a light in this world, and I am sending my love to her and her family."

Olly Murs, who released the song Up with Lovato in 2014, tweeted that he hopes "she's OK" and that he is "sending my love".

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