The 30-year-old singer walked away from her seat on the American TV talent show this week (10.07.12) when a drag queen attempted to sing her 1999 hit '(You Drive Me (Crazy)'.
She said: ''I was following her. I was taking her lead. She was like, 'Let's go,' and I was like, 'Okay.' It was our break anyway. It was dinner.''
Demi explained to a Fox network affiliate: ''I felt really uncomfortable, and I had to walk away. He [thought] that [he did] such a good job, and I felt so bad. I laughed at first, but I felt really bad.''
L.A. Reid also fled his seat and went to the backstage area during the recording.
The 56-year-old music mogul explained: ''Oh, my god, it was just horrible. He thought he was going through. He thought that the cheers were because he was doing such a great job, when the truth is he was horrific. We just couldn't take it anymore.''
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