'You're a laughing stock. It's cheesy, disgusting... artistically atrocious': British singer and her husband are FIRED as judges on New Zealand's X Factor after launching astonishing tirade against contestant

A British singer and her husband have been fired from their roles as judges on New Zealand’s X Factor after launching a tirade against a contestant that the show’s boss slammed as ‘completely unacceptable’.

Natalia Kills, from Bradford, and her New Zealander husband Willy Moon, derided aspiring singer Joe Irvine after he performed on a live show on Sunday.

Kills, 28, accused Irvine, who sang Cry Me A River, of copying her husband’s look of gelled-back hair and a suit.

She said: ‘'Ladies and gentlemen, I'm just going to state the obvious, we have a doppelgänger in our midst

'As an artist who respects creative integrity and intellectual property, I am disgusted at how much you've copied my husband.

'From the hair to the suit, do you not have any value for respect for originality?' alluding to the fact that Moon has copyright over wearing suits and gelling his hair back.’

She added: ‘You're a laughing stock. It's cheesy, it's disgusting, I personally found it artistically atrocious.

'I am embarrassed to be sitting here in your presence having to even dignify you with an answer of my opinion.'

A shocked Irvine replied: ‘Don’t you copy Cleopatra?’

Then Moon, 25, stepped in to back up his 28-year-old wife, and compared Irvine to Psycho character, Norman Bates.

He said: 'To me it feels just a little bit cheap and absurd. It's like Norman Bates dressing up in his mother's clothing, it feels a little creepy and I feel like you are going to stitch someone's skin to your face and then kill everybody in the audience.'

Kills continued: 'It's absolutely disgusting... you make me sick. You have no identity... I am ashamed to be here.'

Irvine appeared to take the abuse in his stride and said ‘I think I look really good’.

Despite Moon having a look that resembles other more famous singers such as Mark Ronson, Olly Murs and Michael Bublé, Kills replied: ‘You look good because you're dressed as my husband.’

Both their comments were roundly booed by the audience. 

And fellow judge Melanie Blatt, the former All Saints singer, defended Irvine. She told him: ‘Actually, you're dressed better than her husband.’

Mark Weldon, chief executive of MediaWorks, which owns and operates TV3 - the channel that broadcasts the show - said on Monday afternoon the pair would no longer be welcome on the hit reality show.

'Last night on X Factor both Kills and Moon made comments that were completely unacceptable,' he said.

'While the judges on X Factor are expected to provide critiques of the performances, we will not tolerate such destructive tirades from any of the judges.

'Contestants put their all into this competition and they should expect to receive feedback and criticism that is professional and constructive.

'We no longer have confidence that Kills and Moon are the right people to perform the role of X Factor judges and they will leave the show, effective immediately.’

Two new judges are said to replace Moon and Kills next week, while Blatt and fellow judge Stan Walker will take over on Monday night.

Facebook group called 'Fire Natalia Kills from X Factor NZ' was created after the show, amassing over 57,500 followers, while a petition demanding the same thing gathered 74,000 signatures.

Afterwards Blatt took to Twitter to slam Kills. She wrote: 'Ive tried to keep my cool and stay professional but really @nataliakills ? Sorry love , you're a t**t.'

Kills and Moon had earlier caused controversy when they repeatedly called a mother from Auckland the C-word following an argument over a parking space, then refused to apologise.