Cowell: "It's Cheryl Tweedy Now, Isn't It?"
Simon has introduced Chez as Tweedy at London's X Factor auditions...
The Mirror reports that the music mogul shocked audience members atGirls Aloud star as Cheryl Tweedy suggesting that Chez has ditched her married name.
Cowell said: "Who would like to hear from Cheryl... Tweedy? It is, now, isn't it?"
The crowd were said to be excited by the comment and rose from their seats to applaud the 3 Words singer.
An eyewitness claimed: "The support for her was immense. When Simon announced her as Cheryl Tweedy the whole place went up."
The source added: "Cheryl was beaming. It was as if a new chapter in her life had just started and she looked happier than ever."
A pal of Chez revealed: "Cheryl's talking about team selection and the manager's decisions - but he just looks at her with a puzzled expression."