The mum-of-five uploaded this very sweet shot to her YouGossip channel on Friday alongside the caption: "How cute does my Bunny boo boo look."
And she noticed the comparison between Bunny and her daughter Princess, saying: "She has big eyes like Princess. Aww."
Little Bunny looks rather amazed/confused by the camera. We imagine she'll be getting used to cameras pretty soon given how many trail her famous mum around…
We aren't the only ones gushing over Bunny. Fans were quick to leave a slew of compliments on Katie's Twitter feed. Celeb pal Nicola McLean also joined in, simply saying: "So cute."
Katie gave birth to little Bunny in August. It's her second child with husband Kieran Hayler. They are also parents to son Jett, one.
Model-turned-businesswoman Katie is also mum to sons Harvey and Junior and daughter Princess from previous relationships.
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Katie's best costumes in pictures: