Rebecca, who starred in the MTV reality show in series two and three, announced her exciting news on Twitter last night (15 August) after her mum uploaded a picture of her bump.
Alongside the snap, Katrina Walker commented: "Who ate all the pies? @RebeccaGShore #nanakatty #baby."
Rebecca was inundated with messages of congratulations and she replied: "Sleep time. Thanks for all the amazing tweets, the secret is out, love yous all #preggers #soexcited."
Among those sending their best wishes was her Geordie Shore co-star Gary 'Gaz' Beadle.
He tweeted Rebecca saying: "@RebeccaGShore hear you're pregnant missy, congrats!!!!! Xx" She responded with: "Thanks Gaz xx."
Rebecca has not revealed who the father of her baby is.
Check out who else is expecting a baby in our gallery below!
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