Cheryl and Simon's catty comments revealed
Simon Cowell labelled Cheryl Cole a "childish little brat" during 'The X Factor' auditions.
The Girls Aloud beauty - who filmed a few early episodes of the show before being forced to take time off after falling unwell with malaria - got so frustrated with the opinionated music mogul, that she stuck her tongue out at him after disagreeing about an act.
