Former U.S. President George W. Bush is set to be a first-time grandfather - his daughter is pregnant.

Jenna Bush Hager announced on Wednesday (12Dec12) she and husband Henry Hager are expecting their first child.

She tells People magazine, "We're so excited. We can't wait."

The former American leader is equally thrilled, telling the Today show, "I'm fired up. I'm looking forward to it. I could barely contain the news."

His wife Laura adds, "We're both really thrilled. We've been looking forward to being grandparents for a long time and we're very excited about it."