A source told The Sun: "Daniel is so excited to be a dad. His relationship with Erin is really special, and everyone thinks they will be amazing parents.
"They have kept it pretty quiet up until now, but she can't hide her bump anymore."
Daniel and Erin are "absolutely thrilled" by the news.
The loved-up duo have been together since 2012, and they've already told their families about their pregnancy.
Another insider told the Mirror: "Daniel and Erin could not be happier to be expecting. They are absolutely thrilled and can't wait to become a family of three.
