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The couple welcomed their first child, Montague George Hector, together in January.

And smitten with her new arrival, Geri Horner has since been treating fans to a slew of snaps of her one-month-old son on social media. 

Taking to Instagram on Saturday, the former Spice Girl, 44, gave her 374k followers yet another glimpse into her family life by sharing a sweet black and white photo of herself and husband Christian Horner and their children. 

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'Family time': Proud mum Geri Horner, 44, shared a sweet family photo of herself and husband Christian with their children on Instagram on Saturday

Geri is also mum to daughter Bluebell, 10, from her previous relationship with screenwriter Sasha Gervasi, 50, while Christian has a daughter, Olivia, three, with ex-wife Beverley Allen.

Posing on a set of stone steps, Geri couldn't look happier as she took centre stage in the photo and was pictured cradling Monty in her arms.

The singer cut a casually chic figure in an all black ensemble and knee high boots, while her newborn looked adorable in a cosy all-in-one and a little bobble hat. 

Formula One boss Christian sat proudly behind his wife and had his arms around both Bluebell on his right and his eldest child Olivia on his left. 

Alongside her latest social media post, Geri added the caption: 'Happy Saturday #familytime @christianhornerofficial.'

It came after the red-haired beauty was spotted enjoying a stroll in the sunshine while on mothering duties with Monty on Wednesday morning in London.  

Stroll: Geri Horner took her two-month-old son Montague for a stroll in London on Wednesday

All smiles: Accompanied by a pal. the former Spice Girl appeared to be in jovial spirits

Wearing tinted sunglasses, the former Spice Girl flashed a broad grin as she transported her offspring in a fancy pram while walking with a female friend. 

She looked casually cool in a brown leather jacket with a light grey top, black skinny jeans and a pair of matching boots. 

Just a few hours earlier, the star showed she's back to fighting form, as she shared an Instagram video of herself enjoying a yoga session.

Wearing a grey tank top and tiny black shorts, the former Spice Girl looked unbelievably svelte and toned as she effortlessly performed a headstand. 

Wheels of fortune: Her adorable baby boy rested comfortably as he was pushed around

Cool: The singer look casually cool in a brown leather jacket with a grey top and skinny jeans

The video, captioned 'back to yoga!', proved to be decidedly popular with her 372,000 followers, as it garnered more than 20,000 likes in less than an hour.

Geri has been married to Formula One ace Christian Horner since 2015, and she also has a daughter - 10-year-old Bluebell - from her relationship with Sacha Gervasi.

In a January interview with The Times, the Hertfordshire native spoke candidly about conceiving her newest bundle of joy - and how yoga got her through tough times.  

Look At Me! Hours earlier, Geri shared a video of herself getting back into her yoga routine

Working on her fitness: In the clip, she is seen wearing a tank top and tiny black shorts

Great body of work: Her incredibly svelte and toned body is on display in the seconds-long clip

Easy does it: The singer soon steadies herself as she prepares to straighten her legs

Pose: She then straightens her legs and assumes the perfect pose as the clip comes to an end

'I feel incredibly lucky to have conceived naturally at my age, 44. I see it as a miracle,' she gushed about the special moment. 

'Trust me, I can still moan like the rest of them but, equally, I remind myself every day that this is an absolute gift,' the Look At Me singer enthused.

'This time round I was carrying quite a heavy baby - and it certainly felt more of a strain on my ligaments and my pelvis,' she continued, before crediting yoga with getting her through pregnancy.

Back in shape: The former Spice Girl gave birth to her son Montague just two months ago 

Joy: Geri and her husband Christian Horner welcomed their son into the world in January

He's got sole! She took to Instagram to share a snap of her holding her son's tiny foot

Geri admitted: 'This time I gained more weight physically, but this time the baby was bigger, I think. During pregnancy you never know if its cake or baby!'

The British star also confessed in the interview that she wasn't going to be 'fanatic' about losing weight and is 'just like any other woman' who enjoys indulging. 

In January, Geri took to Twitter to announce the exciting news of her new arrival to her fans.

'Christian and I are delighted to announce our baby boy was born this morning weighing 7lbs 8oz', she tweeted. 

Proud mother of two: Geri is also the mother of 10-year-old daughter Bluebell, from her relationship with Sacha Gervasi

She then took to Instagram to share a snap of her holding her son's tiny foot, announcing his name with: 'Montague George Hector Horner arrived this morning, a beautiful little brother for Bluebell and Olivia #amazing-day #grateful #monty'.

The birth coincided with Geri's ex bandmate and gal pal Emma Bunton's birthday, with the former Baby Spice taking to Twitter to congratulate her with the hashtag 'birthday twins'. 

After receiving an influx of compliments from fans on social media over his striking moniker, it was then reported that the newborn's middle name was chosen in tribute to her late friend George Michael.

Small frame: Geri revealed she gained more weight with her second pregnancy

According to The Mirror, the singer 'wanted George to be a part of Monty's life', so decided to name him after the former Wham! frontman in light of his tragic passing on Christmas Day.

A source told the newspaper: 'Geri wanted George to be a part of Monty's life, so she felt it only fitting that her newborn have a middle name after the star.' 

The pair had met in their youth and became firm friends over the years - with George being a supportive friend for the redhead when she left the Spice Girls in 1998.

Geri has previously said he was the 'only celebrity friend' she had, apart from her bandmates. 

I thee wed: Geri and Christian tied the knot in 2015, in a romantic ceremony in Bedfordshire