Jenna Bush Hager Gives Birth to Baby Girl, George W. Bush announces the News on Facebook

George W. Bush is a proud grandfather. The former president's daughter, Jenna Bush Hager, gave birth to a baby girl Saturday, April 13. The NBC news correspondent and her husband Henry Hager have named their first child Margaret Laura "Mila" Hager.

The overjoyed grandpa broke the news on Facebook.

"Laura and I are thrilled to announce the birth of our grandchild, Margaret Laura "Mila" Hager," Bush wrote. "Mila, daughter of Jenna and Henry Hager, is named for her grandmothers. She was born last night, April 13, at 8:43pm in New York City."

"We met our beautiful granddaughter today. Jenna and Mila are healthy. And our family is elated."

The news of arrival of the new addition has gone viral on the social networking site with 571,465 people liking the news and more than 51, 200 people taking time to convey their support and regards to members of the former First Family.

"Congratulations on becoming grandparents.......there is nothing more thrilling than that!! Thank you for sharing your wonderful news......"one of the comments read, while another one said: "She is a very lucky little girl to have grandparents as wonderful as you two! Congratulations!"

Henry Hager is the son of former Virginia Republican Party chairman John H. Hager. Jenna Bush Hager first met Henry Hager during her father's presidential campaign in 2004. The couple tied the knot in 2008.

In Dec.2012, Jenna Bush Hager announced the news of her pregnancy on NBC's "Today" show.

"I'm pregnant!" Us Weekly quoted Bush Hager as saying. "We're so excited and obviously nervous about it. I'm a first-time mom. But it's something that I've always wanted. I'm a teacher and I love kids."

The couple had kept the gender of the baby a surprise until birth. In April 2013, while celebrating her baby shower with friends and family members, Bush Hager had revealed her wish to have a daughter.

"I really love the relationship I have with my mother," the 31-year-old told People magazine, "so to have a daughter would be special."