Jenna Bush Hager Welcomes Baby Number Two! Find Out the Sentimental Name

Jenna Bush Hager's family is growing.

The 33-year-old former first daughter welcomed her second daughter with her husband, Henry Hager, on Thursday in New York City at 9:12 a.m. She took to Instagram to explain that their newborn, Poppy Louise Hager, is named after Jenna's grandfather, former president George H.W. Bush.

"Welcome to the WORLD Poppy Louise Hager--named after my darling Gamps who went by Poppy during his childhood," she Instagrammed alongside a sweet family picture. "We are in LOVE."

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The couple even FaceTimed George H. W. Bush to reveal that his youngest great-granddaughter is named after him!

Poppy joins her big sister, two-year-old Mila.

On Tuesday, Jenna Instagrammed an adorable picture of Mila, sharing that their former only child might not exactly be ready for a new sibling. "Family of [three emojis] before we become family of [four emojis]. Not sure our M knows what she's in for!" she joked.

Jenna and Henry -- who have been married since 2008 -- first announced they were expecting baby number two in April.

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ET caught up with first lady Michelle Obama in May, when she talked about her own daughters -- 14-year-old Sasha and 16-year-old Malia -- growing up. "We're the last people our kids want to be with," Obama said. "I think they're conditioning us for that empty nest syndrome, but we're not relishing that at all. We don't know what we're going to do. I got to get him [President Obama] some more hobbies."

Watch below:

First Lady Michelle Obama On Sasha and Malia's Leaving the Nest

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