She is expecting her third child with JLS star Aston Merrygold.
But Sarah Louise isn't letting her growing belly get in the way of her dancing as she took to Instagram on Monday with an energetic performance.
The mum-to-be looked sensational as she flaunted her bump in a black cropped T-shirt and low-rise baggy jeans.
The couple, who are already parents to two sons, Grayson, five, and Macaulay, three, announced back in September that they were expecting their third child.
The dancer appeared to be doing her best as she busted out some moves to Beyoncé's “Single Ladies” while her husband watched from the side.
Aston Merrygold's wife Sarah Louise showed off her growing belly in an energetic dance video on Instagram on Monday as the couple prepare for the birth of their third child
Aston, 35, appeared somewhat amused by his wife's achievement as he stood to the side and provided his wife with a makeshift wind machine while pointing a hairdryer at her
Aston appeared slightly dazed by his wife's achievement as he stood to the side, providing his wife with a makeshift wind machine while pointing a hairdryer at her.
Sarah Louise seemed to hint that the couple are expecting a third son as she captioned the snap: “This time 6 years ago he actually put a ring on and now two boys later and a third he's well on his way, he is.” my personal son.” Wind machine.
“Find a man who can do anything, ladies.” I love you, Mr. Merrygold.
In response to his wife, Aston wrote: “No honestly you're a joke, I can barely bend over to tie my shoes!”
Fans also marveled at how Sarah danced into her pregnancy and jumped into the comments.
One wrote: “I couldn't even do this right now, let alone be pregnant!” Great'.
While the second commented: “I can't move like this and haven't been pregnant in 7 years.”
Another joked: “This baby is going to come out dancing.”
Fitness fanatic Gemma Atkinson, who gave birth to her second child in July, wrote: '@astonmerrygold my 3rd trimester struggled to even play your part in this Bloody Amazing!' @sarahloumerrygold Have a Merry Christmas guys!'
The dancer appeared to be doing her best as she performed some dance moves to Beyoncé's “Single Ladies” while her husband watched from the side
Sarah Louise seemed to hint in her caption that the couple is expecting a third son
The mum-to-be looked sensational as she flaunted her bump in a black cropped T-shirt and low-rise baggy jeans
Sarah's husband and celebrity friends reacted to the video
Fans marveled at how Sarah danced into her pregnancy and took to the comments
The couple are parents to their two sons Grayson, five, and Macaulay, three.
Rochelle Humes also added, “You never cease to amaze me, my girl.”
The couple previously shared a sweet video montage of their family and friends' reaction to the revelation of their pregnancy in November.
The couple, who started their own YouTube channel The Merrygold Family, shared their loved ones' reactions, while Aston captioned the video: “The one with the reactions!!” The best reactions to the best news!!!'
He added: “The third child captures the reactions of our friends and families for the first time! Enjoy.”
Among those to hear the happy news were Aston's bandmate Marvin Humes and his wife Rochelle, who were filmed jumping up and down with joy and screaming “I knew it!”
Rochelle shared the video on her own Instagram page and quipped: “Why am I this friend?”
The video begins with Aston and his wife showing sonogram photos of their sons as the boys say they want a little sister before quickly deciding on a brother.
The couple's pregnancy news comes a year after Aston insisted he couldn't cope with more than two children and ruled out having more – despite calling fatherhood “the best job ever” and saying he agreed to be a father His gives him “a new meaning in life”.
He said: '[Being a dad is the] Best thing ever. Best job ever. It gives me reason to get up.' However, when asked if he wanted to have more children, he replied: “No.” I can't chase after three. Two is good for me.'