The former glamour model turned businesswoman, 36, looks stunning in the photos taken at her West Sussex home. But her recent heartache is still visible on her face as she's unable to muster a smile.
In one picture, posted on YouGossip, Katie can be seen staring down at her blossoming baby bump, as her son Junior snuggles her on the sofa.
Katie - also known as Jordan - is wearing a pale pink vest top which is pulled up to reveal her tanned belly, pregnant with her fifth baby.
Alongside the touching photo, Katie wrote the message: "Me cuddling Junior while looking at my growing baby bump."
Another snap shows Katie's cleavage and her bump from above. Showing she hasn't completely lost her sense of humour over the past few weeks of heartache, Katie captioned the photo: "My three bumps."
During her last pregnancy, she took great pains to hide her pregnant tummy from the public eye, but the TV star has recently found solace in social media.
The mum-of-four is thought to be around seven months pregnant with estranged husband Kieran Hayler's baby.
The unborn baby is a girl, according to reports.
Katie's world came tumbling down recently when she caught Kieran cheating on her with her best friend Jane Pountney.
Last month, she announced on Twitter she would be divorcing him in a series of raw and emotional tweets, before releasing a statement saying "her heart is breaking".
Just this week, she returned to work for the first time since finding out about his affair.
She gave birth to their first child, Jett, last year. Katie also has two children with ex-husband Peter Andre - Junior, eight and Princess Tiaamii, six, Her eldest son Harvey, 12, is the happy result of a fling with footballer Dwight Yorke.
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