Taylor Swift and Pharrell Williams are set to kick off The X Factor's live shows as the first star performers of the series.
This weekend sees the current crop of X Factor hopefuls take to the stage for the opening round of live shows and as in previous years, the ITV contest will feature big names from the music world on the Sunday evening episode.
First up to open the live rounds are country music and pop act Swift, who will perform her current single Shake It Off, while Williams will sing Gust Of Wind.
More names for the coming weeks are set to be announced, and will include former X Factor contestants as well as established stars.
X Factor's top dog Simon Cowell had to quell a "mob" after the the audience turned on judge Cheryl Fernandez-Versini during the show's six-chair challenge.
The Geordie star was booed while she selected six singers to go through to the judge's houses stage and Cowell told the panel the Wembley Arena audience were "like a mob".
He told the crowd: "OK, guys, let's calm down for a moment."
Fernandez-Versini tried to explain her choices, telling the audience: "You know, what you have to realise is it's my choice."
The tearful former Girls Aloud star, who is mentoring the girls, told her fellow panellists: "I'm going to get lynched, what am I going to do? Where do I go?"
Cowell is mentoring the over-25s which produced last year's winner - Sam Bailey - with Louis Walsh looking after the groups and former Spice Girl Mel B mentoring the boys.
X-Factor judges Simon Cowell and Cheryl Cole surprised staff at a Chinese takeaway in Newcastle.
The pair stopped at Kwok Pao in Heaton after filming auditions for the ITV show at The Baltic on the Newcastle Gateshead Quayside.
X-Factor judge Simon Cowell has given his verdict on Newcastle after the reality TV show held auditions in the city on Thursday.
Newcastle was fantastic. And so was the talent. Apart from a few exceptions!
As Cheryl Cole walked the red carpet in Gateshead before judging X Factor auditions, we asked her how much time she normally spends in the North East.
X Factor judge Cheryl Cole said she was glad to see auditions on Tyneside this year after local talent from Joe McElderry to James Arthur and Little Mix won the show. She never had chance to audition there herself.
The X Factor's celebrity judges were in town to see the best of the talent from open auditions in the North East.Read the full story ›
As Cheryl Cole made her return to the X Factor judging panel in the North East, we asked her what Simon Cowell said to convince her to do it.
Simon Cowell said he would not let his baby son Eric audition for the X Factor when he is older - unless he could sing.
He also said fatherhood had not changed his life dramatically - and he still works as many hours as ever.