Simon Cowell was forced to defend Britney Spears just hours after officially confirming he had signed her up as his new US X Factor judge.
The Toxic singer faced a barrage of criticism as the new series of the US version of the show was launched.
It was rumoured Britney had insisted that all her lines would be written for her.
The pop princess was also said to have stipulated she sit next to Simon on the judging panel before she agreed to sign the £9 million deal to appear on the show.
But Simon insisted he was "not at all" worried about Britney appearing on live television.
And an X Factor spokesperson dismissed the claims of her diva-like demands as "total utter malicious rubbish".
The 30-year-old mother-of-two's financial affairs are still in the control of her father, who is assisted by her fiancé Jason Trawick.
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