The 30-year-old is currently pregnant with her second child with her fiance Matt Sarsfield.
Mum-to-be Charlotte looked radiant in a green and blue maxi dress, which she teamed with a white blazer.
She headed to Chester zoo for a day out with Noah, two, to spend some quality time together.
Last month Charlotte and Matt revealed they are expecting another baby boy after posting an emotional gender reveal video on social media.
The couple started dating in 2016 and got engaged in 2020.
The day out comes after Charlotte revealed that she is suffering with health issues during her second pregnancy.
She desperately reached out to fans for advice after it has been causing her to feel sick and have diarrhoea.
She told fans said: “I feel so much better than yesterday. How weird is it that I keep getting these little sick and diarrhea things when I’m pregnant.”
Charlotte added: “I never got this with Noah. I’m just a bit worried. Did anyone else get that?
“Or is anyone else getting it when they’re pregnant. I don’t know what it is, I’m just dead worried.”
She then went on to say further into her post, that she had been struggling during this pregnancy.
Charlotte added: “I’ve been really really emotional and hormonal, really bad. Crying a lot, like, up and down like a yo yo.”
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