The former TOWIE star is currently enjoying the sun in Dubai and couldn't resist sharing a snap to make us all feel a teeny weeny bit jealous...
With her hair down, and her Aviator sunglasses on, Billi nailed a relaxed holiday look.
But, of course, we're all looking at her blossoming baby bump!
In a patterned bikini, Billi's growing tum looks perfectly round, peachy and tanned.
Next to the photo, Billi told fans she had reunited with her best friend Jenna-Louise Myers on the trip.
After yoga instructor Billi shared the sun-drenched snap, fans responded with messages gushing about how great she looks - and we have to agree!
One follower said: "You and your bump look amazing!"
Another described Billi as "glowing", while one added: "Awwww she looks gorgeous hot momma."
Billi also shared a snap of her plans for the rest of the day - which included a selection of baby magazines, an apple and a bottle of Institut Esthederm sunscreen.
Alongside the snap, she wrote: "Ready for a day in the sun."
She added: "Beautiful Sunny Day in Dubai I love it here!"
Billi and her fiancé, West Ham player Andy Carroll, announced their pregnancy news to fans on Christmas Day.
Since then, Billi has kept followers updated with lots of bump pictures and even shared a scan photo with fans.
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