Louisa Johnson flashes racy caged bralet under sexy trench as she leaves X Factor studio with boyfriend Daniel Elliott following stunning performance

By Ciara Farmer For Mailonline

Published: 15:47 EST, 30 October 2016 | Updated: 05:54 EST, 31 October 2016

She sported her sexy silver trench on The X Factor stage just hours before. 

Yet Louisa Johnson proved she would get much saucier off-stage as she peeled off the top part of her barely-there cover-up while departing the studio hand-in-hand with her boyfriend Daniel Elliott on Sunday night. 

The 18-year-old champ pulled down the top half of her trench coat to expose a sexy caged bralet underneath although appeared to come over shy on the show as she closed her coat the entire time. 

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Loved-up: Louisa Johnson proved she would get much saucier off-stage as she peeled off the top part of her barely-there cover-up while departing the studio hand in hand with her boyfriend Daniel Elliott on Sunday night

Despite still flashing a mass of flesh during her performance, due to the derriere-skimming nature of her trench and her sexy thigh-high boots, Louisa went all out later on.

Keen to show more skin, the blonde beauty pulled her coat awkwardly down to her elbows to help flash as much flesh as possible from beneath.

She was joined by her boyfriend Daniel, who she is seldom seen without, as he looked smart in white jeans and a stone colour top while vacating the building with a glass of wine in hand.  

Louisa's bralet appeared designed to coordinate with the on-stage look making for a bizarre decision to not expose the sexy look while she was performing. 

Sexy look: The 18-year-old champ pulled down the top half of her trench coat to expose a sexy caged bralet underneath although appeared to come over shy on the show as she closed her coat the entire time

Before and after: Despite flashing a mass of flesh during her performance due to the derriere-skimming nature of her trench and her sexy thigh-high boots, Louisa went all out later on

Louisa made her triumphant return to The X Factor stage to unveil her new track So Good and while she sizzled in her raunchy silver coat she was admittedly more covered up than later in the night.

The choice to wrap the blonde beauty up was possibly in response to recent controversy surrounding Little Mix's performance on the show in which their racy get-ups sparked national debate.

As fireworks exploded around her before she was joined by a bevvy of hunky dancers, Louisa put on a spectacular performance - showing her growth from a bright-eyed hopeful to a super sexy diva. 

More than before: Keen to show more skin, the blonde beauty pulled her coat awkwardly down to her elbows to help show as much skin as possible from beneath

She's back! Louisa made her triumphant return to The X Factor stage as she performed her new track So Good

Proving her attention to detail, the blonde beauty wore her long tresses in a dead-straight style with her centre parting adorned with a thick layer of silver paint.

As she turned to the back for the dramatic close to her performance she gave a cheeky peek at her perky posterior from beneath the tiny trench. 

As she stood among the tumbling silver confetti she beamed as she spoke to host Dermot O'Leary about her favourites. 

Banger: As fireworks exploded around her before she was joined by a bevvy of hunky dancers, Louisa put on an extremely sexy performance - showing her growth from a bright-eyed hopeful to a super sexy diva

Giving her all: The sexy starlet certainly sent temperatures rising in the studio 

The Essex-born beauty revealed she is backing judge Louis Walsh's trio Five After Midnight as admits she feels they have a stand-out style. 

She told the hunky host: '5AM are my favourite. They're wicked. They've got their own swag and a good presence.'

An overjoyed Louis gave the reigning champion two thumbs up as he threw his support behind her choice. 

Costume change: On Monday morning, Louisa was pictured arriving at the Radio 1 studios in London

A flare for fashion: She was pictured wearing wide-leg plaid trousers and a jumper by J.W.Anderson for the outing

The morning after the night before: She appeared in high spirits despite her hectic evening at the X Factor

Another superstar performance came from, Bruno Mars who took the stage with his latest single 24K, where he was joined by three backing singers all clad in funky sportswear and heavy gold jewellery.

Another style triumph on the night was Nicole Scherzinger, who looked frightfully sexy in saucy plunging gown adorned with dazzling sequins.

A keyhole in the front of the gown showed off a generous glimpse of cleavage as she continued on her Fright Night fashion feast. 

She also scraped her tresses into an extremely high ponytail to add to the drama of the sexy look.   

Hitting out: The Essex-born beauty revealed she is backing judge Louis Walsh's trio Five After Midnight as admits she feels they have a stand-out style

Strutting her stuff: Louisa pulled it out of the bag with her stunning performance 

Legs eleven! Far from her vocal abilities being the only element of the show, Louisa also showed off her incredible figure 

Doing his thing: Another superstar performance came from, Bruno Mars who took the stage with his latest single 24K, where he was joined by three backing singers all clad in funky sportswear and heavy gold jewellery

Weighing in: As she stood among the tumbling silver confetti she beamed as she spoke to host Dermot O'Leary about her favourites

Giving her all: Louisa made sure she brought her very best back to the show 

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