runner-up on 'American Idol' Willie Spence died in an automobile accident at the age of 23.

runner-up on 'American Idol' Willie Spence died in an automobile accident at the age of 23.

The Season 19 star was in Tennessee at the time of the incident, according to local news site Douglas Now, but no other information are known.

In her Instagram Story, Katharine McPhee appears to have verified Spence's death by uploading videos in his remembrance. During his stint on the show, the singer sang a duet with the "American Idol" runner-up.

"I received devastating news tonight." @williespenceofficial was killed in a vehicle accident. "I'm just 23 years old," McPhee, 38, wrote. "Life is so unfair, and nothing ever comes with a guarantee." Willie, may God rest your soul. It was an honor to sing with you and get to know you."

She also uploaded the most recent video Spence posted on social media, which shows him singing a Christian tune in the car.

"He posted this immediately before the accident," McPhee wrote, adding a weeping emoji and a broken heart emoji to his post.

Willie Spence, the runner-up on "American Idol," allegedly died on Tuesday. Eric McCandless/ABC via Getty Images

Spence's fans flocked to social media to express their condolences.

"Willie Spence's dying makes me sick to my stomach guy," one admirer wrote on Twitter.

"I can't believe Willie Spence is no longer alive." "I liked meeting this guy since he was so skilled and friendly," remarked another.

Willie Spence submitted a rendition of Rihanna's "Diamonds" as part of his "American Idol" audition. Eric McCandless/ABC via Getty Images

"Heard that @Williespence died in a vehicle accident." He was only making noise. "RIP," one Twitter user lamented.

"MY HEART HAS BEEN BROKEN. Please be with Willie Spence's family, God. Right now, I can't believe it. "Wow," said another.

Spence auditioned for "Idol" with a version of Rihanna's "Diamonds," receiving a "Yes" from all three judges and progressing to the next round.