The 32-year-old actress made the announcement on Twitter and said the baby is due in the summer.
Natalie Cassidy (Anthony Devlin/PA Wire)
She wrote: “Evening all… Time to let everybody know that @cameramarc and I are having a baby in the summer. The three musketeers become four.”
Natalie has a five-year-old daughter called Eliza from a previous relationship.
As well as starring in reality show Natalie Cassidy: Becoming Mum (opens in new tab) on Channel 4, she has released a top-selling fitness DVD and has appeared on Celebrity Big Brother (opens in new tab).
Natalie is currently on TV in EastEnders as Sonia Fowler, who is in a relationship with Tina Carter (Luisa Bradshaw-White (opens in new tab)).
Her pregnancy will mean an exit for Sonia… Whether or not that's permanent – and with or without Tina – remains to be seen.
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