Giuliana Rancic and husband Bill reveal 'devastating' miscarriage news

and

have shared some heartbreaking news. The

, who helped bring their son Duke into the world, has

.

"This whole season on

we've been trying to have another baby," Bill told

of the couple's reality show. "

. It's something we didn't see coming. We were devastated."

© Photo: Getty Images

He continued, "She was about nine weeks pregnant. We were pretty close to getting into the safe zone. We experienced a miscarriage years ago when we were trying with Giuliana, so we had been keeping the pregnancy news tight to the vest."

. It was during the

host's attempts to get pregnant using in-vitro treatments that she was also

, and underwent a double mastectomy. Their son Duke, 21-months, was born via gestational surrogate in August 2012. "

,"

winner Bill, 43, said. "Obviously this was no fault of hers.

© Photo: Instagram

"It's a double sadness because we didn't want her to feel bad. And Giuliana was rather distraught at first, but she's tough. In times like this we rely on our faith. Once the tears went away we started to look towards the future." He added that the couple are not giving up on their dream of having another baby. "

We've had to battle it out and that's something that we're going to continue to do."