She's always in demand, but Mariah Carey tells that she's going to pay a lot more attention to who she's singing for in the future.

Last month Wikileaks reveled that the songbird had been paid $1 million to sing four songs for the son of Libyan leader Muammar Qaddafi at a party in the Caribbean in 2006.

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"I was naive and unaware of who I was booked to perform for," Carey says in a statement. "I feel horrible and embarrassed to have participated in this mess."

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And the diva isn't shirking the blame. "Ultimately we as artists are to be held accountable," she said. "Going forward, this is a lesson for all artists to learn from. We need to be more aware and take more responsibility regardless of who books our shows." 

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Other entertainers including Beyonce and Usher, also unknowingly performed for members of the dictator's family, and there has been pressure to donate the money. Something Carey is already on top of, according to her rep Cindi Berger.

"Mariah has and continues to donate time, money, and countless hours of personal service both here and abroad," Berger tells Us.

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