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OTRC: Mariah Carey leaving 'American Idol,' going on tour (Confirmed)

Mariah Carey appears on 'Good Morning America' on May 24, 2013. (ABC / Donna Svennevik)

Mariah Carey has left "American Idol" after serving as a judge for one season and also plans to go on a world tour, which would mark her first in almost three years.

Her departure from the FOX singing competition series comes weeks after veteran star Randy Jackson announced his own exit.

"W/ global success of '#Beautiful' (#1 in 30+ countries so far) @MariahCarey confirms world tour & says goodbye 2 Idol," PMK-BNC, the publicity firm representing Carey, said on Thursday, May 30, in a Twitter message that the singer reTweeted.

"Mariah Carey is a true global icon - one of the most accomplished artists on the planet - and we feel extremely fortunate that she was able to bring her wisdom and experience to the 'American Idol' contestants this season," FOX and FremantleMedia, the show's production company, said in a statement to OTRC.com. "We know she will remain an inspiration to 'Idol' hopefuls for many seasons to come."

UPDATE: Fellow new judge Nicki Minaj Tweeted the following message later on Thursday, soon after the announcement about Carey: "Thank you American Idol for a life changing experience! Wouldn't trade it for the world! Time to focus on the Music!!! Mmmuuuaahhh!!!"

Carey, rapper Nicki Minaj and country star Keith Urban had joined Jackson at the judges' panel at the start of the most recent 12th season as part of a series shakeup. The ratings for the finale, which took place earlier this month, were the lowest the show has ever received since its debut in 2002.

Jackson, who had served as a judge since the beginning, announced earlier this month that he is leaving "American Idol." It was later reported that Minaj planned to depart as well. Urban's future on the show also remains unclear.

Carey last went on an official world tour in 2010, although she has performed at select shows overseas since then. She is currently promoting her newest single and music video, "#Beautiful," featuring Miguel. Carey performed the song on ABC's "Good Morning America" on May 24 (and also had a wardrobe malfunction).

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