Let the new X Factor fashion face off begin as Kelly Rowland trounces Tulisa Contostavlos with tiny skirt and crop top

The new X Factor judging line-up was unveiled for the first time today as Gary Barlow, Kelly Rowland, Tulisa Contostavlos joined original judge Louis Walsh in Birmingham.
It already looks like there could be an all-new fashion war with former Destiny's Child singer Rowland, 30, and Tulisa, 22, going head-to-head to be the most stylish.
And it appears the American singer may have already won the first round by managing to make her younger co-host's DKNY jumpsuit look frumpy in comparison to her black mini skirt and yellow crop top.

Style wars: Kelly Rowland shows off her toned figure in a yellow crop top and black skirt with towering Christian Louboutin heels

Slinky: Tulisa Contostavlos covers up in a black DKNY jumpsuit as the judges arrive at the Birmingham auditions

Both women opted for towering heels - with Tulisa in red platform sandals and Kelly in a pair of black Christian Louboutin concealed platform courts with a tottering 6 1/2 inch heel.

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All of the judges are staying at the boutique Hotel Du Vin - where Dannii Minogue, Cheryl Cole and Simon Cowell have stayed in a previous years.
The first auditions at the LG Arena comes just two days after ITV officially announced the line-up following months of speculation.

Exciting new venture: Kelly and Tulisa have both been staying at the Hotel Du Vin - where previous X Factor judges Cheryl Cole, Dannii Minogue and Simon Cowell

Over the weekend, it was thought Mrs Cole may return to the panel after being fired from X Factor USA, but her talent show judging career appears to be on hold, for now at least.
A source told the Mail earlier this week: 'That’s it. Cheryl will not be returning to the British X Factor.
'People have been trying to speak to her and persuade her this would be a good idea, but she’s been uncontactable.

The hunt for new talent is on: New judge Gary Barlow (left) joins the show's only original judge Louis Walsh on the red carpet

‘She hasn’t returned phone calls. And you can’t exactly negotiate with someone who won’t even speak to you.’
Announcing the new line-up, Simon Cowell enthused: 'These four are totally up for it, each of them bring a different attitude.
'They have had a ton of hits between them and they are all committed to finding a star.
'I have a feeling Louis and Tulisa will have slightly different points of view as to what the next star should look and sound like!'
ITV’s Director of Television, Peter Fincham, meanwhile said in the statement: 'As multi-million selling artists, songwriters and pop masterminds, Gary, Tulisa, Kelly and Louis have huge breadth of appeal with our audience and the ability to engage both the UK’s next generation of music talent as well as ITV’s viewers.'

Behind the scenes: Olly Murs and Caroline Flack will present the ITV2 spin-off show The Xtra Factor

Also unveiled today were new Xtra Factor hosts Caroline Flack and Olly Murs, who are replacing Konnie Huq on the ITV2 spin-off show.
This morning, Flack Tweeted: 'Make up done. Olly arrived (so handsome) and about to tour the arena.... Wonder who we will meet today...'
Also back for a fifth year as host of the X Factor is Dermot O'Leary - who at one point was in the running to join Cowell on X Factor USA, but instead Steve Jones was hired.

Face in the crowd: The N-Dubz star is surrounded by press and fans

First day at work: Kelly, Tulisa and Gary take their seats next to returning judge Louis Walsh

Murs - the runner-up of the 2009 series of The X Factor - received a host of congratulations from his celebrity friends including JLS and Harry Styles from One Direction.
After staying in Dundee last night, he was up at 6am this morning to make the 350 mile journey down to Birmingham.
Tweeting last night, Flack said she had already met Tulisa and Kelly and was looking forward to work with them.

The new crew: The official new line-up, Gary Barlow, Tulisa Contostavlos, Kelly Rowland and Louis Walsh, pose together for the first time

She wrote: Here in Birmingham! Met the lovely Kelly and Tulisa. Gonna be a exciting day tomorrow.. Great to see Dermot... bring on day 1.'
Tulisa has had to reassure fans of the band her new X Factor role would not affect the group and promised the show's former assistant mentor Sinitta she would do a good job.
She wrote on Twitter last night: 'Very excited about joining the X Factor. I've always loved the show and I want to thank you all for supporting me on my journey this far.

Who's got the X Factor? Hoards of hopefuls turned up for the first day of auditions

Excitement: Kelly does the X Factor symbol, while host Dermot O'Leary looked glad to be back

'Rest assured the Tulisa you know isn't going anywhere. I don't know how to be anything other than myself and thats what I'll be. I hope I can bring that raw in your face, real element to the show (and the warmth/love cus you know I'm a softy at heart).
'I can't wait to find the next star of the UK. I am still a member of NDubz and they will be my team till the day I die.'

Is there another Leona Lewis in here? Thousands of wannabes queue outside for a chance to become a star

What a crowd: Barlow was greeted by screaming fans as he arrived for his first day on his new job