Big Reunion star Natasha announced she was expecting a child with boyfriend Ritchie Neville last month and the pair can't wait to meet their "little bundle of joy".
Posting the picture on Twitter over the weekend (4 May), Natasha said: "Our little bundle of joy. Halfway there now, so excited to meet my baby x."
Natasha is already mum to sons Josh, 11, Harry, eight, and Alfie, three, from previous relationships, but this will be her first child with Ritchie.
'Whole Again' singer Natasha has also been revealing her cravings, telling fans on the social networking site: "Is it wrong I've just eat this whole box of crisps? #moorish."
Ritchie has also noted Natasha's appetite, and posted a photo of the 31-year-old about to tuck into some cake and ice cream!
On Sunday, he said: "Someone's pregnant and very hungry, I don't know where she puts it!! @NatashaOfficial :-)."
The couple, who found love after reconnecting on the first series of ITV reality show The Big Reunion last year, spent part of their weekend at a charity gala dinner in Chesire, in aid of the Royal Manchester Children's Hospital Charity.
Natasha showed off her baby bump in a black gown, as she posed alongside Ritchie and a Take That tribute band at the charity event.
Meanwhile, the couple are planning to keep the sex of their baby a surprise, but it seems a little girl would be a welcome addition.
Natasha previously said on ITV's Lorraine last month, "There's enough testosterone in the house"!
Speaking about Ritchie becoming a first-time dad, Natasha added: "It's lovely to see Ritchie's excitement at scans despite him calling himself 'a nightmare' who gets 'very protective'. It's just beautiful to see how excited he is and we're just really, really happy we can't wait."
More stars who have announced pregnancies this year:
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