Cheryl displays her love for 'baby daddy' Liam Payne with a snap of her beau as iPhone lock screen amid pregnancy rumours

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They may be one of the most famous couples in the world. 

But just like many devoted girlfriends around the world Cheryl - who is rumoured to be expecting her first child - uses her iPhone lock screen to show her love for 'baby daddy' boyfriend Liam Payne.

Heading to Paris Gare du Nord station on Monday, the 33-year-old singer was seen glancing at her mobile which displayed a black and white picture of her beau, 23.

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Never far from her thoughts: Like many devoted girlfriends around the world Cheryl uses her iPhone lock screen to show her love for boyfriend Liam Payne

Checking the time on her iPhone 6S Plus, the Northern star was greeted by the handsome features of her absent love.

The black and white picture was a close-up snap of Liam, which saw the One Direction hunk sporting a rugged layer of stubble. 

Taking her leave of Paris Fashion Week, Cheryl - who shot to fame in Girls Aloud - looked to be counting down the minutes till she was reunited with Liam. 

Turning heads as she made a glamorous arrival at the station, the brunette beauty sported a Scandi; dressing in a chic minimal fashion. 

Her beau: Heading to Paris Gare du Nord station on Monday, the 33-year-old singer was seen glancing at her mobile which displayed a black and white picture of her beau, 23

Wearing a thick came overcoat to keep the autumn chill at bay, Cheryl went for a simple but stylish travel chic look.

Teaming an open-neck black blouse with a pair of flared trousers, the Fight For This Love singer rounded her look off with a pair of block-heeled boots.

She accesorised her look simply with a pair of shades and studded black handbag. 

Wearing her dark brown locks in a centre-parting the singer allowed her tresses to frame her face.

New curves: Cheryl, 33, appeared to unveil some new curves on Sunday night, as she hit Paris Fashion Week for he L'Oreal Paris Gold Obsession Party at Hotel de la Monnaie, after it was first reported that she is 'expecting a child with boyfriend Liam Payne, 23'

Opting for a simple make-up palette, the star chose to highlight her plump pout with a slick of red lipstick.  

The previous evening she made her first and only public appearance at Paris Fashion Week.

Confidently displaying gorgeous new curves, the busty brunette dressed in a figure-hugging black jumpsuit, attending the L'Oreal Paris Gold Obsession Party. 

First public outing: Having previously tried to cover her middle throughout the speculation, Cheryl chose a figure-hugging garment for her first public outing

As a special guest, L'Oreal ambassador Cheryl certainly brought the sparkle to the event. 

She boldly appeared to go unsupported beneath a jumpsuit that displayed her fuller bust with the help of a see-through fabric on the chest and a subtle, nude bra.

Elsewhere, the jumpsuit skimmed over her lower belly - an area that she has been keen to keep under wraps in recent weeks.

Is it true? Cheryl's ensemble did little to hide her figure 

Flanked: Cheryl was flanked by stunning models although she was dwarfed slightly due to her diminutive height 

A good looking pair: Kris Jenner was joined by her handsome boyfriend Corey Gamble 

Flashing her lingerie: Nicola Peltz wowed in a sheer black gown which left very little to the imagination 

Glamorous: The golden girls of L'Oreal dazzled in front of the cameras 

A vision in lace: Cheryl looked stunning as she glowed at the event 

A flare for fashion: Cheryl's trousers trailed behind her 

Only that afternoon, as Cheryl arrived in the French capital for the final few days of Paris Fashion Week, she courted controversy by further shrouding her frame.

The ex-Girls Aloud singer and former X Factor judge enveloped her figure with an oversized camel coat that she kept constantly closed.

With her eyes shielded behind a pair of sunglasses, Cheryl appeared to be in a subdued mood while repeatedly clasping the garment across her lower belly.   

The glam squad: The ambassadors of the brand also sported complementary ensembles

Gunning for them: Lara Stone sported an edgy polo neck adorned with a gold gun print 

Cosying up: Naomi Campbell grabbed Daniel Day Lewis' lookalike son Gabriel for a snap 

Many glam looks: Emma Miller dazzled in a flirty mini (left) while Daphne Groeneveld wowed in a chic gold gown 

Mummy dearest: Kris Jenner appeared at the party just hours before her daughter Kim was robbed at gunpoint 

Similarly - in her first social media snapshot since pregnancy rumours were sparked last month -  Cheryl's stomach was cropped out of a promotional image, last week.

Instead of denying the pregnancy claims, the singer's PR team appeared to add fuel the fire by tweeting a well-cropped selfie that cut just above her mid-section.

Cheryl has been dating X Factor hopeful-turned-boyband heartthrob Liam since February but they were reportedly secretly dating as early as December 2015. 

Suited and booted: Doutzen Kroes went for a bold look in a chic bronze coloured suit 

Pals: Kris posed up a storm with Balmain designer and close pal Olivier Rousteing

All the fashion: Gabriel's ensemble stood out shockingly against his well-heeled pals

A vision: Naomi looked simply sensational in a sleek white gown 

New love: Cheryl has been ploughing ahead with her relationship with One Direction's Liam (pictured here together in May)

Covered up: Mysteriously, earlier that day, Cheryl (left) had shied away from the cameras and closed her coat to avoid attention, despite previously favouring more revealing outfits (right, in July 2015)

Hiding something? Cheryl's PR team seemed to add fuel to the fire last week when the singer was pictured in a promotional image where her stomach was completely cropped out, last month

Cheryl first met Liam when he was a singing contestant on the X Factor - on which she served as a judge at the time - in 2008.

Baby-faced Liam was 14 when he first auditioned for the show but he returned as a solo artist in 2010 only to be partnered with Niall Horan, Harry Styles, Zayn Malik and Louise Tomlinson, who went on to become global boyband One Direction. 

They confirmed that they were dating after much speculation when he posted the first joint snapshot of the duo on social media. 

Difficult time: Cheryl's (here in May 2016) impending divorce to Jean-Bernard Fernandez-Versini has reportedly stalled due to his reluctance to sign a 'no talk' order

New curves: Cheryl's shape (here in 2015) was previously cruelly dubbed 'too skinny'

Courting controversy: Cheryl's mother Joan Callaghan (here together in December 2003) was accused of accidentally confirming the reports last month when she was pictured buying baby goods from Mothercare

More recently, fans speculated that Liam was using his social media to send a hint about Cheryl's 'pregnancy'.

Social media was abuzz with speculation when Liam changed his Twitter bio to say he was 'the happiest man in the world'. 

Some speculated that Cheryl's mother Joan Callaghan had accidentally let the cat out of the bag last week when she was pictured buying pregnancy goods in a branch of Mothercare.

It's official: Cheryl and Liam made their love official in February when he shared the first picture featuring the two of them together to his social media page

A source told The Sun of the snaps: 'She had a massive pregnancy pillow which helps make your bump more comfortable when you’re trying to sleep. 

'She was asking the assistant for advice about another kind that she wanted.' 

Meanwhile, Cheryl and her second husband Jean-Bernard Fernandez-Versini are yet to finalise their divorce, after their separation was announced in January.

The couple had been married for just 18 months but living apart for five months by this time, splitting on their secret second wedding anniversary. 

The divorce has reportedly stalled due to his reluctance to sign a 'no talk' order.

Whirlwind: The Geordie beauty married Jean-Bernard in 2014 after a three month courtship. She announced their separation earlier this year.

The singer is being prevented from taking her relationship with new love interest Liam to the next level due to her ex's refusal to sign documentations banning him from talking about their short-lived marriage.

'J-B has moved on, it’s been a really tough year for him with his father dying, leaving him the only remaining member of his family,' a friend of the Frenchman revealed to The Mirror.  

'Then there is getting divorced and being bound by a ­confidentially agreement – which means he can never defend himself or clarify any false reports.

'He’d never say anything bad about Cheryl but he realised a long time ago, when he had to deal with everything alone, she wasn’t the girl for him,' the pal continued on in hopes of clarifying Jean-Bernard's stubbornness.  

The Geordie beauty married Jean-Bernard in 2014 after a three month courtship. She announced their separation earlier this year.

Since the uncoupling, Jean-Bernard is reported to have found solace in his estranged wife's friend, Vanessa Perroncel. 

And it is his strong-willed stance against signing the papers that will inhibit Cheryl from ploughing ahead with her relationship with One Direction's Liam.

Cheryl was previously married to love rat footballer Ashley Cole for four years, between 2006 and 2010. 

So in love: Fans also went wild recently after Liam changed his Twitter bio to say he is 'the happiest man in the world'