The cause of death of ‘American Idol’ alum CJ Harris has been revealed. The 31-year-old died of a heart attack, a spokesman for the Walker County Coroner’s Office confirmed to Fox News Digital on Thursday.
Deputy coroner Danielle Calloway said the singer died Sunday night after being rushed to Walker Baptist Medical Center in Jasper, Alabama.
Calloway told Fox News Digital that doctors resuscitated Harris at the hospital, but the attempts were unsuccessful. He was pronounced dead of a heart attack.
Harris competed on the 13th season of “American Idol” and placed sixth. Caleb Johnson went on to win the reality TV competition series, which began airing in 2014.
CJ HARRIS, FORMER ‘AMERICAN IDOL’ CONTESTANT, DEAD AT 31
After his “Idol” debut, Harris released his debut single “In Love” in 2019.
After news of the musician’s death broke, the “American Idol” team expressed their sincere condolences on Twitter.
“CJ Harris was an incredible talent and the news of his passing deeply saddens us,” they wrote. “He will be truly missed.”
Sam Woolf, who finished in fifth place on the show, recalled battling with Harris when he paid tribute to the late singer.
“Cj was such a genuine and loving person,” he wrote on Instagram. “We became good friends on the show and were roommates on the tour.”
He added, “I’m very grateful to have had that incredible experience with him alongside Caleb and Alex. My thoughts go out to his family. Rest in peace my dude.”
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Alex Preston, who finished in third place, shared a photo with Harris, Woolf and Johnson standing outside a tour bus.
He wrote, “RIP CJ. Can’t believe this, I woke up thinking it was a dream. I love you dude. I’ll always remember the good times we all had.”
Johnson recalled being roommates with Harris during “Hollywood Week” and forming a fraternity group with Preston and Woolf.
“So many great memories and experiences with you CJ! Life is so fragile! I am so grateful that our lives were allowed to intersect in this lifetime,” added Johnson. “You were a beautiful, kind soul who always brightened the room with your smile and laughter. I love you brother.”
Fourth-place finisher Jess Meuse posted a photo of herself with Harris on Instagram, writing, “My heart is heavy to hear of the passing of colleague @americanidol and friend @cjharrismusic.”
She continued, “I am completely shocked. Your talent and smile will be missed, and the world is definitely a darker and eerily quieter place without you in it. I will miss your random calls asking for life advice and talking about the world of music .”
“When you go through something like Idol together, it brings everyone involved together like one big, weird, dysfunctional family. I’m thankful our paths crossed and I can say you were (and always will be) a part of me .”
“There are many things I realize I’ll never understand – your leaving us so soon is one of those things. Rest in peace, friend. See you on the other side.”
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Fox News Digital’s Tracy Wright contributed to this story.