'X Factor' winner will support Beyoncé in concert

The 'Halo' singer has announced whoever comes out on top out of the three finalists, Sam Bailey, Luke Friend and Nicholas McDonald, will join her on the road when the Mrs. Carter world tour comes to the UK next year.

In a special recorded message to the trio of hopefuls, Beyoncé wished them luck and made the surprise announcement.

She said: "Hey, I just wanna say good luck to all the 'X Factor' finalists and announce a very special prize to the winner.

"The winner of this year's 'X Factor' will be joining me on the Mrs Carter tour, coming back to Europe in February. I can't wait to see you soon. Good luck!"

Beyoncé

The winning contestant will open for the star when she plays in Birmingham as part of her tour, as well as securing themselves a record contract.

Meanwhile, 'X Factor' judge Louis Walsh has admitted he is scared his protege Nicholas could die during the live final because of a "serious heart condition".

Speaking to The Sun newspaper, he revealed: "I am worried about the stress and strain on Nicholas. He has this serious heart condition. I worry about that for the weekend, honestly.

Nicholas McDonald

"There is nothing we an do. He is working really hard - we are just going to give him some time off.

"I think his family are worried but we want him there in the final ... You just don't know [how serious it could be]. When somebody dies, they're dead."