'What have you done to your gorgeous lips?' Nicole Scherzinger's fans go into meltdown as star shows off her fuller pout in selfie... after debuting plumper lips on X Factor 

Over the weekend, she drew much attention for sporting a notably fuller pout.

And on Tuesday afternoon, Nicole Scherzinger, 38, appeared to be playing up to all of the chatter, as she puckered up for a selfie while out and about in London.

Seemingly excited by the bright sunshine lighting up the English capital on the cold winter day, she captioned the shot: 'Guess who came out to play! The #london sun! #sunkissed.'

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Perfect pout: On Tuesday afternoon, Nicole Scherzinger, 38, appeared to be playing up to all of the chatter, as she puckered up for a selfie while out and about in London

And, thanks largely to her decision to put her voluminous pout in the spotlight, her army of followers couldn't help but comment on her lips.

One fan wrote under the snapshot: 'What have you done to your gorgeous lips?'

'Those lips! WHAT?! WOW,' wrote another, whose comment came seconds before a different follower cheekily enquired: 'Ermmmmm your new lips?'

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

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

Countless others simply commented 'lips' alongside a variety of emojis, which mostly appeared to show that her fans were impressed with what they saw. 

On Sunday night, as she left The X Factor's taping in London, she was also the centre of attention thanks to her outfit - and much more.

The 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. 

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

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 elimination.

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. 

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

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.

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

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

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

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

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

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