Caroline Flack shares fun-filled behind the scenes snaps from the X Factor set while co-host Olly Murs plays up for the camera

Rehearsals are well under way for the first live show of the X Factor on Saturday night.

And it seems that Caroline Flack has been having a blast in her new role as co-presenter alongside Olly Murs, as she posted a series of fun-filled backstage snaps to Instagram on Friday.

Sharing the playful snaps of herself and her co-stars behind the scenes, the 35-year-old appeared to be having a blast as the final tweaks were made to the live show script in rehearsals. 

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Posing, pouting and screaming: It seems that Caroline Flack has been having a blast in her new role as co-presenter alongside Olly Murs, as she posted a series of fun-filled backstage snaps to Instagram on Friday

Posing, pouting and screaming: It seems that Caroline Flack has been having a blast in her new role as co-presenter alongside Olly Murs, as she posted a series of fun-filled backstage snaps to Instagram on Friday

Halfway through snapping a picture of herself, Olly and new judge Nick Grimshaw, Caroline was beaten to the punch by her fellow selfie-loving co-presenter, 31, who snapped his own picture of the trio.

Posing up a storm, the three stars pulled funny faces from a backstage waiting area, behind the scenes, at London's Fountain Studios in Wembley.

Cheekily pulling a duck-faced pout, Olly was outdone by the brunette beauty who stuck her tongue out playfully - while Grimmy photobombed the pair with a huge wide-eyed smile on his face.

But when it came to rehearsal time, the presenter showed that she and the Heart Skips A Beat singer have the best of both worlds on the show, as they messed around during some of the hopefuls' performances.

See the latest X Factor news on Caroline Flack and Olly Murs 

Lots of LOLS: Sharing the playful snaps of herself and her co-stars behind the scenes on the X Factor set in London, the 35-year-old appeared to be having a blast as the final tweaks were made to the live show

Lots of LOLS: Sharing the playful snaps of herself and her co-stars behind the scenes on the X Factor set in London, the 35-year-old appeared to be having a blast as the final tweaks were made to the live show

Getting her own back on Olly for beating her to the selfie, Caroline snapped a picture of the TV host and singer pulling some yoga-like poses at the side of the stage.

With his leg held high, the Essex-boy can be seen staring into the camera lens as a production assistant stares on incredulously.

Revealing that they were watching Cheryl Fernandez Versini's girl group Alien Uncovered, she summed up the singer's cheeky limelight-hogging japes, captioning the snap: 'Now he wants be in alien.'

While earlier on, Caroline gave a sneak-peak at the upcoming live show, by snapping a picture of olly watching the London-based girl group rehearse. 

Obsessed with Aliens? Showing a snippet of one side of the stage, the Love Island presenter showed that the girl group will be appearing on a pink, neon-drenched stage when they hit TV screens at the weekend

Obsessed with Aliens? Showing a snippet of one side of the stage, the Love Island presenter showed that the girl group will be appearing on a pink, neon-drenched stage when they hit TV screens at the weekend

Showing a snippet of one side of the stage, the Love Island presenter showed that the girl group will be appearing on a  pink, neon-drenched stage when they hit TV screens at the weekend.

But perhaps more tellingly, the presenter gave an insight into the already gruelling nature of the competition in another snap.

Showing that the rigours of singing at professional levels constantly has already taken its toll on some of the young hopefuls, Caroline posted a picture of Che Chesterman and Kiera Weathers.

On voice rest: Showing that the rigours of singing at professional levels constantly has already taken its toll on some of the young hopefuls, Caroline posted a picture of Che Chesterman and Kiera Weathers

On voice rest: Showing that the rigours of singing at professional levels constantly has already taken its toll on some of the young hopefuls, Caroline posted a picture of Che Chesterman and Kiera Weathers

Time to perform: Snapping away during Reggie and Bollie's run-through, the star was clearly enamoured with their performance

Time to perform: Snapping away during Reggie and Bollie's run-through, the star was clearly enamoured with their performance

Sat with signs around their necks declaring 'VOICE REST, please don't talk to me', the hopefuls have clearly been straining their voices in the quest for vocal perfection.

Obviously having grown close to the two young singers already, Caroline simply captioned the image: 'These two ❤️.'

The whole X Factor crew has decamped to the London studios this week in preparation for the first live show of the series, with all four judges and their remaining acts putting in long days ahead of Saturday.

Simon Cowell, Rita Ora, Cheryl and Grimmy have all been pictured helping their acts to fine tune their first performances.

Hitting TV screens on Saturday night, fans will be able to watch the judge's final acts sing for success on ITV from 8pm to 10.25pm.

Time to try: The whole X Factor crew has decamped to the London studios this week in preparation for the first live show of the series, with all four judges and their remaining acts putting in long days ahead of Saturday

Time to try: The whole X Factor crew has decamped to the London studios this week in preparation for the first live show of the series, with all four judges and their remaining acts putting in long days ahead of Saturday

A quick pep talk: Max Stone was seen recieving a pep-talk from his mentor and head-judge Simon Cowell

A quick pep talk: Max Stone was seen recieving a pep-talk from his mentor and head-judge Simon Cowell

Intense: Cheryl Fernandez-Versinin cut an intense figure as she stood watching her groups run-through their performances on Thursday

Intense: Cheryl Fernandez-Versinin cut an intense figure as she stood watching her groups run-through their performances on Thursday

Don't speak: Nick was seen giving some advice to Che the day before his voice rest was revealed

Don't speak: Nick was seen giving some advice to Che the day before his voice rest was revealed

Important tips: Chart-topping singer Rita Ora looked deep in conversation with Kiera on Thursday

Important tips: Chart-topping singer Rita Ora looked deep in conversation with Kiera on Thursday

 

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