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The following includes discussions of death, suicide, addiction, and mental health.

Unfortunately, many people have faced terrible tragedies after their time on the singing show.

Michael Johns with beard

Some contestants from earlier seasons of the music competition are no longer alive.

Read on to learn about “American Idol” stars who have died.

She is famously known for being the third-place finalist behind Kelly Clarkson and runner-upJustin Guarini.

Nikki McKibbin red hair

“Even at the end she is still giving,” Sadler wrote.

“She was so loved that I know thousands of you will be grieving with us.”

One year prior to her death, McKibbin spoke withPeopleabout her struggles with addiction and life after the competition.

Leah LaBelle and Rasual Butler smiling

“For a long time, I wasn’t taking care of myself.

I wasn’t being the person I should be.

I’m in a better place now.”

Rickey Smith wearing all white

If you or anyone you know is struggling with addiction issues, help is available.

Visit theSubstance Abuse and Mental Health Services Administration websiteor contact SAMHSA’s National Helpline at 1-800-662-HELP (4357).

23 onBillboard’s Adult R&B Airplay chartin 2012.

Joanne Borgella with wispy bangs

I will miss you my Friend RIP Ricky Smith."

We know her spirit still shines and will continue to live on in heaven."

The fatty liver could have been the result of excessive alcohol usage (viaTMZ).

Michael Johns black shirt

He is survived by his wife, Stacey Vuduris.

Johns made it far on “American Idol,” finishing in eighth place (viaBillboard).

“I will say, being a celebrity doesn’t suck,” he shared.

Alexis Cohen smiling

“I don’t know how long I’ll be a celebrity.

Might as well enjoy.”

When shearrived backat “Idol” to audition for Season 8 for redemption, she was again unsuccessful.

Paula Goodspeed wearing pink headband

Goodspeed, 30, was parked near Abdul’s home in Los Angeles in November 2008.

According to theDaily Mail, prescription drugs were found in her car after the incident.

Abdul was reported to have been filming an “American Idol” special when Goodspeed’s body was found.

Margue “Tate” Lynch singing

Here’s my new cell number," and was signed, “Love, J.T.”

(viaPeople), presumably an attempt to impersonate Abdul’s boyfriend at the time, J.T.

Torregiani, and get the singer to call her.

Haley Smith smiling

At her audition, she stepped out in an all-pink outfit and mouth full of braces.

Cowell said he didn’t know how someone could sing with “that much metal” in her mouth.

She did not make it to Hollywood.

Willie Spence wearing a blue suit jacket

“I went through a very rough time of feeling like she wanted my attention so much …

I shed a lot of tears.

It was tumultuous, for me,” Abdul said.

He was found dead in his Harlem apartment at 34 years old, according toPeople.

Lynche had also lost his mother, Michelle, in 2004 to pancreatic cancer (viaDaily Mail).

He died before the case went to trial.

During heraudition, she performed the song “Tell Me Something Good” by Rufus and Chaka Khan.

“He was a true talent who lit up every room he entered and will be deeply missed.

We send our condolences to his loved ones.”