"Britney is quite mean, which I think you will discover," said Cowell.
The 52-year-old who is known for giving tough comments himself, says that Spears and fellow judge Demi Lovato are harder to please than him or fourth judge singer LA Reid, reports femalefirst.co.uk.
"They are harder to please than me or LA They are very happy giving people a no. They definitely have their own opinions," he said.
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