The group are Cowell's last act left after Belle Amie's departure on Sunday.
So he got to you come up with a list of songs you want to perform and ideas to make you better.
An insider said: "one direction are one of the favourites, but he is concerned that knocked you could be if you your game up."
"The idea, any other acts can Simon kalt.Die taunts of the other judges would be unbearable."
Saw the Irish checkout girl, how you squared up as the head of X factor was in fighting spirit.
But Mary, who is maintained by Simon's rival Louis Walsh, then had a giggle divided with the music mogul as you a hug.
And has vowed, more modern tomorrow night after is criticized by Simon and some of the other judges for their traditional song to sing decisions.
Mary, 50, said: "I hope I can change to do something different this Woche.Es what I normally do is a little different and fingers crossed, you will enjoy it."
"There has been some criticism that I do something a bit more modern müssen.Ich hope to do something a little different, we want to show the variety of things I could do."
The X factor boss, 51, he looked ready for bed, as left clutching a beer Scott's restaurant in London's Mayfair posh.
He had with his ex Jackie St Clair gone but bumped in Clarkson and sugar and his apprentice aide carts Brady.
The singer, 27, said: "If Simon first asked me to do the X-factor, I said, ' never for all the tea in China I will do the X factor".
"" "This is exactly the words I said to him, and he went,"you are, and I'll see you in a year"I didn't want .Und really to do it."
Cheryl - who on the judge panel of the ITV1 show for her third year is added: ' I wanted to be the person people stops and says, "no, you can't '."
"But then I realized people do, I, I can really help."
The Geordie girls aloud star has been a massive hit - as a judge and mentor.
Since the show entered in 2008 were the two winners - Alexandra Burke and Joe McElderry - both supported by it.
Fed-Up security men said that candidates throw away kept the place and would not cleaning up.
But wanted to bosses in a cleaner for London Villa.
A source said: "Simon has had enough hear about how much mess all make."
"Always cleaner will be even worse ermutigen.Sie soon get sick, Wade get through garbage."
X factor devastated participants the Spanish villa where they based in August.
Mezhgan, 36, is the X factor judge's child to set keeps become broody.
A source said: "Simon knows she wants children now."
It comes months after Simon, 51, said: "I think I need to run around to little Simons to have."
The previously gray Irish judge, 58, for the Sun: "Yes, it is colored - but it's still all my own hair."
"I did it by Simon's stylist, I thought, well, if you see him you everyone well look good can make can make."And he admitted Louis by the reaction to his locks since unveiling the new look was inspired on Saturday.
He boasted: "I like it and I say people younger look.""But don't worry, I'm going for a Jedward quiff."
CHERLloyd trying to stick to the unusual black outfit, wore a Saturday - spare tracksuit, given her mentor Cheryl Cole, rejecting wannabe's first choice of the hoodie and jeans.Fed-Up security men said that candidates throw away kept the place and would not cleaning up.
But wanted to bosses in a cleaner for London Villa.
A source said: "Simon has had enough hear about how much mess all make."
"Always cleaner will be even worse ermutigen.Sie soon get sick, Wade get through garbage."
X factor devastated participants the Spanish villa where they based in August.
He was raging after a spate of abuse by colleagues judge Cheryl Cole and Louis Walsh about his plot Diva fever to get the boot.
Cheryl teased the trade show guru, say: "you have not really hang them this year have pet?"Giggle Louis added: "Oh no Simon, you have lost an other Akt.Wer is next week, Belle Amie?"
Once smoking Simon off camera was he told aides: "Get me from here - I have enough of it."
You said: "this was the worst strop he has ever thrown. it was the mother of all Hissy fit."
