NEW YORK (December 12, 2012)--Former first daughter Jenna Bush Hager announced Wednesday that she's pregnant with her first child, who’s due in the spring.

Hager, 31 made the announcement on NBC's "Today" show, on which she is a contributing correspondent.

Hager, the twin daughter of former President George W. Bush, and her husband, Henry, have been married for four years.

During a phone call on the show, former President Bush said he's "fired up" about becoming a grandfather, and former first lady Laura Bush said she's "thrilled."

It will be the couple's first grandchild.