Published Friday, 04 October 2013
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In sneak peek footage, Nicholas is seen trying to win a place in the live shows with a rendition of Daniel Bedingfield's If You're Not the One this weekend.
The 16-year-old is battling it out against Sam Callahan, Ryan Mathie, Paul Akister, Giles Potter and Luke Friend to make Louis' final three.
The judge was joined by former All Saints member Nicole Appleton, Westlife's Shane Filan and Sinitta in the south of France this summer.
As Nicholas gets emotional during the performance, Nicole, Sinitta and Shane can't fight back the tears, while Louis is also moved behind his shades.
Nicole and Sinitta even give the 16-year-old a hug at the end of the heartfelt performance.
Meanwhile favourite Sam Bailey is star-struck when discovering she will be singing for guest judge Robbie Williams at Sharon Osbourne's LA mansion.
"Oh my god I have this hugest crush on Robbie Williams. I have ever since I was about 15," she reveals.
The mum-of-two gives her most important performance to date, with a powerful rendition of Whitney Houston's I Have Nothing.
Robbie congratulates her afterwards, telling her: "Well done baby."
But as the contestant left the judges, her fate hangs in the balance.
Sharon says: "She just has this natural gift."
But Robbie replies: "I don't know where she fits though..."
Glengormley woman Andrea Magee will also perform for the former Take That star, while Dublin teen Melanie McCabe faces Nicole Scherzinger and Mary J Blige in the Caribbean with the rest of the girls.
The groups headed to New York to sing for Gary Barlow and sidekick Olly Murs.
Viewers will discover who makes it through to the live shows on UTV on Saturday from 8pm on Sunday at 7.10pm.
© UTV News