What's that a-pout? Busty Nicole Scherzinger shows off plump lips as she goes braless in VERY daring outfit after Honey G's X Factor departure

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She's been turning up the fashion factor during her time on the judging panel.

And Nicole Scherzinger continued to turn heads as she left The X Factor on Sunday night thanks to her outfit - and much more.

The 38-year-old former Pussycat Doll put on an eye-popping display in a plunging black top and leather miniskirt ensemble, but it was her plump pout that really turned heads.

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Getting lippy! Nicole Scherzinger turned heads for more than just her outfit after Sunday's X Factor shows as she showed off a plump pout

The stunning singer's lips looked suspiciously larger than usual, perhaps with the help of clever make-up. 

Signing autographs as she arrived back at her London hotel, Nicole had changed from the earlier all-white outfit she wore as she judged the talent show which saw Honey G's eviction.

Nicole's low-cut top featured a plunging cut-out panel, proudly showcasing her curvaceous assets.

Making the most of her tanned and toned limbs, she teamed the racy top with a thigh-skimming studded leather skirt and pointy ankle boots. 

Female stud: The 38-year-old former Pussycat Doll put on an eye-popping display in a plunging black top and leather miniskirt ensemble, but it was her lucious lips that really turned heads

Busty lady: Signing autographs as she arrived back at her London hotel, Nicole had changed from the earlier all-white outfit she wore as she judged the talent show which saw Honey G's eviction

Sexy factor: The singer's top could hardly contain her ample assets

Warding off some of the autumnal chill, she covered up in an oversized blazer.

And flaunting her flawless bone structure, the Hawaiian-born American singer wore her hair in a stylish top knot.

Ensuring her make-up was perfect, the Babylove singer opted for bold brows, lashings of mascara, a smokey eye and champagne-coloured lipgloss.

Posing expertly as she made her way into her hotel, Nicole opted for a quiet night after hitting a club straight from the X Factor on Saturday night.

Racy! Nicole's low-cut top featured a plunging cut-out panel, proudly showcasing her curvaceous assets

Toned and tanned: Making the most of her tanned and toned limbs, she teamed the racy top with a thigh-skimming studded leather skirt and pointy ankle boots

Layering: Warding off some of the autumnal chill, she covered up in an oversized blazer

Meanwhile Honey G was evicted from the X Factor after eight weeks on the show.

The controversial act went head-to-head in a sing-off with 5 After Midnight, but was voted off by Simon Cowell, Nicole Scherzinger and Louis Walsh.

Leaving the show, the aspiring rapper admitted: 'The X Factor team is amazing, this has been the most amazing experience of my life, to everyone who doubted me, I'm standing here and made it this far.'  

Bit of al-white! Nicole took to the panel in an all-white ensemble with a floor-length train

Made up: Ensuring her make-up was perfect, the Babylove singer opted for bold brows, lashings of mascara, a smokey eye and champagne-coloured lipgloss

EX-Factor: Honey G has been evicted from the X Factor after eight weeks on the show

Sunday night's X Factor Results show saw the final five acts face the public vote after singing twice to make it to the semi-finals next week.

Louis Walsh's 5 After Midnight, Nicole Sherzinger's  Matt Terry, Sharon Osbourne's Saara Aaalto and Honey G and Simon Cowell's Emily Middlemas battled it out in the live episode.

And boyband Busted, as well as Clean Bandit ft Anne Marie and Sean Paul all took to the stage to perform. 

Honey hug: Dermot bid farewell to Honey G as talented trio 5 After Midnight breathed a sigh of relief

When I say Honey, you say bye! The controversial act went head-to-head in a sing-off with 5 After Midnight, but was voted off by Simon Cowell, Nicole Scherzinger and Louis Walsh

'The X Factor team is amazing, this has been the most amazing experience of my life, to everyone who doubted me, I'm standing here and made it this far' Honey G said

Nicole brought her usual glamour in a white halterneck jumpsuit with a floor-length train, Sharon shimmered in an olive semi sheer dress, and Louis and Simon looked chic suited and booted.

All five acts opened the show together, belting out Elton John's Saturday Night's Alright for Fighting. 

Dancing around the panel in coordinated black and red ensembles, the last competing acts put on a live performance, with Saara taking on the majority of the solo parts and Honey G taking a step back from the singing following Saturday's drama.

United: Louis Walsh's 5 After Midnight, Nicole Sherzinger's Matt Terry, Sharon Osbourne's Saara Aaalto and Honey G and Simon Cowell's Emily Middlemas opened Sunday night's X Factor show together, belting out Elton John's Saturday Night's Alright for Fighting

Glam team: Nicole brought her usual glamour in a white halterneck jumpsuit with a floor-length train, Sharon shimmered in an olive semi sheer dress, and Louis and Simon looked chic suited and booted

Next Busted sent pulses racing in the audience as they performed their latest hit On What You're On alongside dramatic acrobat dancers. 

The band named Saara as their favourite, though one member named 5 After Midnight. 

Following the performance the five acts faced the public vote. 

Limelight: Saara took on the majority of the solo parts and Honey G taking a step back from the singing following Saturday's drama

Sher-sizzling! Nicole turned heads in a silk one-piece with her hair piled high on her head

Autumnal: Sharon stuck with olive, having worn a stunning green dress on Saturday night

Saara Aalto was named as the first safe act, screaming in excitement, followed by last boy in the competition Matt Terry, a bookies' favourite.

The third act saved by the public was Emily Middlemas, leaving 5 After Midnight and Honey G to battle it out in the sing-off, decided by the judges' panel.

Nicole admitted they had a 'batshizzle bananas' Saturday night, which was 'Louis loves' themed. 

Ahead of their battle to stay in the show, Louis defended 5 After Midnight being in the bottom two, reminding the audience of their talent, while Sharon persuaded the booing audience that Honey G was 'unique.' 

Suave: Simon and Louis looked suave in crisp dapper suits

'We vote Saara Aalto' Clean Bandit revealed following their performance alongside Anne Marie and Sean Paul

Hi Honey: Honey G came out with her arms raised at the beginning of the night

'Honey G is talented in a different way to the other acts', she stammered.

Next up was Clean Bandit performing with Anne Marie and Sean Paul, getting the crowd going with hit number 1 hit RockaBye.

Clean Bandit also named Saara Aalto as their favourite act, ignoring Dermot O'Leary's hints at Honey G. 

Following their performance, Honey G and 5 After Midnight went head-to-head in a tense sing-off.

Dressed in a red patterned jumper and matching trainers, along with her trademark cap and sunglasses, Honey G came out with her hands raised. 

Showing them how it's done! Busted sent pulses racing in the audience as they performed their latest hit On What You're On alongside dramatic acrobat dancers

'They're talented: Busted voted for Saara Aalto and 5 After Midnight following their show

Versatile: 5 After Midnight showed off their pop-ready side as all the acts joined together in red and black coordinated ensembles

She attempted rap legend Tupac's California hit, adding in 'mash it up' and spelling out her name as usual, strutting around the stage.

Next up were talented trio 5 After Midnight, who performed a gimmick-free cover of Labrinth's Beneath your beautiful, harmonising to the screams of the crowd.

Louis chose 5 After Midnight, branding them the next big thing: 'Honey you've had a great run but it's time to go home,' he said.

'Against all odds Honey has been here 8 weeks,' Sharon persuaded viewers to the boos of crowds, championing her act Honey G and sending 5 After Midnight home.

Talent! Clean Bandit performed with Anne Marie and Sean Paul, getting the crowd going with hit number 1 hit RockaBye

Dutty! Sean Paul got the crowd going and Clean Bandit named him as their long time idol

'Finally!' Twitter was flooded with viewers' reaction to the controversial act's elimination

Bit of al-white! Nicole looked stunning in a white wedding-inspired ensemble

Nicole backed 5 After Midnight, adding: 'Honey I'm sher-mazed you made it this far, you're such a fighter but I'm sorry I'm sending you home'.

Leaving Simon with the deciding vote, he said: '5 After Midnight you shouldn't be in the final two, Honey you've got guts but here's my issue. The public expect me to do the right thing, you've gone as far as you can, the act I'm going to save is 5 After Midnight', ending Honey G's unexpected lengthy run on the show. 

Next week's semi final show will see a Christmas themed show. 

Saturday night's show almost descended into chaos as pranksters stormed the stage in an apparent attempt to remove Honey G's trademark hat and glasses.

Racy! The revealing piece showed off the full expanse of Nicole's toned tanned back

Battling it out: Honey G and 5 After Midnight went head-to-head in a tense sing-off

Backing his boys: Louis chose 5 After Midnight, branding them the next big thing: 'Honey you've had a great run but it's time to go home,' he said

'Honey I'm sher-mazed you made it this far, you're such a fighter but I'm sorry I'm sending you home': Nicole voted for 5 After Midnight

'The act I'm going to save is 5 After Midnight', Simon cast the deciding vote, ending Honey G's unexpected lengthy run on the show

Simon Cowell was seen looking horrified as the camera stayed off-stage during the kerfuffle, while the judging panel attempted to remain calm. 

The third act to perform was controversial contestant Honey G, Sharon's second Overs act, with You Can't Touch This by MC Hammer.

Showing off her dance moves alongside a large group of background dancers, Honey G matched her trademark cap to her trousers, finishing her performance to cheers from the panel.

Suddenly, Simon Cowell leapt up in horror and a security guard was seen running to assist as an audience member stormed the stage.

The camera zoned in on the panel and Nicole was seen looking equally shocked, while Louis and Sharon tried to distract from the goings-on onstage.

Behind the scenes chaos ensued as several audience members attempted to storm the stage and remove Honey's cap and glasses - one grabbing the microphone - but thankfully the situation was quickly dealt with.

After their attempt to unmask her failed, the camera returned to the stage, Honey G appeared composed and the panel took their seats appearing shell-shocked.

Scary! Saturday night's X Factor live show almost descended into chaos as members of the audience stormed the stage in an apparent attempt to remove controversial contestant Honey G's trademark hat and glasses

Shock! Simon Cowell was seen standing up in horror as the camera stayed off-stage during the kerfuffle, while the judging panel attempted to remain calm

'I'm so sorry about that,' Simon reassured before adding, 'at one point I thought it was part of the act'.

'See, you drive people wild with excitement!', Sharon laughed as the panel settled back down.

Dermot added: 'We had a stage invasion, three punks thought they could come on and take on Honey G. Nah, I don't think so.'

And Simon added: 'Forget that. You've got a second song. Don't let that bother you. Come back believing you are a star.' 

An X Factor spokesperson told MailOnline: 'There was a stage invasion by four men, with one further person in support. All five had been in the audience. They were spoken to by police and security and have now been removed from the studio.'

Reassuring: 'We had a stage invasion, three punks thought they could come on and take on Honey G. Nah, I don't think so' Dermot said after an audience member attempted to take her hat and glasses