The Insider.com

The X Factor season three has already seen acts ranging from the bizarre to the inspirational, but in this Wednesday's episode featuring auditions from Kansas City, San Francisco and Austin, get ready to meet DeAngelo -- perhaps the most over-confident contestant to date.

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He especially seems to have a problem with the youngest judge Demi Lovato.

"Miss little Disney princess Demi Lovato, she likes to talk a lot," he tells the camera. "If they don't see a star, they're fools."

'X Factor': How Did Demi & Britney Do?

Check out the clip to see L.A. Reid's priceless reaction to the self-proclaimed "better than Justin Bieber" singer.

Video: Britney Spears -- 'I'm a Loony Person!'

A brand-new episode of The X Factor airs Wednesday, 8 p.m. on Fox.