Simon Cowell struggled to judge the 'X Factor' contestants with his vampire fangs.

Simon Cowell

Simon Cowell

The music mogul donned the Halloween accessory for Saturday evening's (29.10.16) Fright Night show and it ended up distracting his fellow judge Louis Walsh when he went to critique his contestant Gifty Louise.

Responding to Louis' slating of Gifty's performance of 'I'm In Love With A Monster', Simon said: "It's not a risk. It's doing something different, Louis."

However, the 64-year-old television personality fired back, questioning Simon about his teeth, which earned a laugh from fellow judges Sharon Osbourne and Nicole Scherzinger.

Simon also got into difficulty with his teeth when he tried to congratulate Matt Terry on his stunning performance of 'I Put A Spell On You'.

Showering praise on the hopeful, he said: "Matt, for me, this is your best performance in the whole competition ... I've got to take these [teeth] out. I can't though."

Earning a laugh from the studio audience, Nicole said: "It's like a grill for a vampire."

Elsewhere on the show, girl group Four of Diamonds - made up of Sophia, Caroline, Yasmin & Lauren - came back fighting after being in the bottom two last weekend.

Simon told them: "It was cool. It wasn't copycat. It actually felt real to me for the very very first time. The difference between last week and this week was chalk and cheese. I assume Louis had nothing to do with this."

5 After Midnight also wowed with Michael Jackson's 'Thriller', putting their own unique spin on the iconic Halloween track.

Emily Middlemas closed the show with a performance of Radiohead's 'Creep', earning a standing ovation from the judges.

Louis said: "Emily, I am speechless. That was so special ... It was haunting, it was scary but it was brilliant. Emily, that was unbelievable."

Whilst Nicole added: "Emily, I say it week after week but I want to say - thank you. You are so powerful. You gave us everything. I was blown away. It was the performance of the night for me."

'The X Factor' continues on Sunday evening (30.10.16) on ITV.

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