In the sweet snaps, mum of five Katie is cuddling her youngest daughter in bed as the tot enjoys a little doze.
While spending precious moments with the four-month-old, TV star Katie couldn't resist taking a selfie to share with her millions of fans.
Alongside the first photo, Katie described Bunny as "my little darling".
She then posted a second, with the thought bubble: "My absolute world."
Katie - who recently had a breast reduction from an F cup to a C - also shared a funny snap of the little tot in a wig...
Katie gushed: "How weirdly cute does Bunny look when Mikey put this on Bunny Bun Buns?"
And Bunny looks just like her mummy with brunette locks!
Bunny is Katie's second child with husband Kieran Hayler. She has three older children with previous partners Dwight Yorke and Peter Andre.
She recently took to social media to once again lash out at the women Kieran cheated with while she was pregnant.
The former glamour model tweeted: "So happy I was strong enough to stick by Kieran. Therapy has been fantastic. #newman but I knew I was always the one.
"He knows I'm the #fullpackage I feel sorry for the try hards who didn't get him and he didn't want them easy S***s."
And it seems Kieran was once again at the forefront of her mind when she posted an inspirational message over the weekend.
It said: "A woman can't change a man because she loves him, a man changes himself because he loves her."
Alongside the post, she wrote: "Love this! #DailyPositiveQuote."
It's been a turbulent year for Katie after discovering husband Kieran had been cheating on her with two of her best friends.
She has since vowed to stand by him and give him another chance as he receives treatment for sex addiction.
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