Hayley Tamaddon, 42, shared the exciting news with her 126,000 followers on Twitter this morning.
The soap star admitted she never thought she could have children as she spoke about her dreams to be a mum.
Hayley said: “EXCITING NEWS TWEET!!
“I’m so pleased to tell you all…
“I’m expecting my first child with my wonderful boyfriend Adrian!!”
She added: “I’ve always wanted to be a mum and didn’t think I could have children.
“And now, at the ripe old age of 42 – I’M PREGNANT! We couldn’t be happier.”