Bill Rancic and Giuliana Rancic Bill Rancic and Giuliana Rancic

Giuliana and Bill Rancic welcomed their son via gestational surrogate Wednesday night in Denver.

Bill announced the birth on Twitter. "The 'Duke' has landed! Edward Duke Ranic was welcomed into the world last night at 7lbs 4oz. G & I feel blessed beyond words... We did it!"

The new mom added to E! News: "Thank you so much to everyone who supported us along the way. We are so in love with the little guy already!"

Giuliana Rancic signs three-year deal with E!