Arie Luyendyk

Instagram

Bachelor Nation grew by one on Wednesday and that's likely just the beginning.

Former Bachelor leading man Arie Luyendyk Jr. and his wife Lauren Burnham welcomed their first child, a baby girl, into the world on Wednesday. Arie had been posting updates about his wife's labor process since early Tuesday evening. One such photo included them standing together in the hospital as he cradles her baby bump.

"IT'S HAPPENING!" he wrote.

The former race car driver announced on Instagram Wednesday afternoon that he and Lauren have a "healthy, beautiful baby girl." She weighs 6 lbs, 13 oz and is 20 cm long, according to his update. 

He added, "Mommy and baby are doing great, we are so incredibly happy."

The new parents have yet to announce their little girl's name, but it's safe to assume that it will be shared on her official Instagram account, which already has over 272,000 followers.

Fellow Bachelor and Bachelorette alums seemed just as ecstatic about Lauren and Arie's baby. Current Bachelorette lead Hannah Brown wrote on Instagram, "Yayy! So exciting!" Raven Gates added, "Good luck!!!!!"

Arie and Lauren are the latest Bachelor Nation couple to be inducted into the Bachelor/Bachelorette/Bachelor in Paradise baby world. They join a slate of other favorite Bachelor Nation couples, including but not limited to Jade Roper and Tanner Tolbert, Carly Waddell and Evan Bass and Desiree Hartstock and Chris Siegfried.

It's been a Bachelor baby bonanza as of late. Desiree and Chris welcomed their second child in January, a boy Zander Cruz Siegfried. They are also parents to Asher Siegfried. Plus, Jade and Tanner are also expecting their second kid together, a boy, who is due in August.

In honor of Arie and Lauren's sweet little girl, take a look at the gallery below for the other Bachelor Nation babies (these couples only refer to those who met and got married on their respective seasons).

Arie Luyendyk

Instagram

Jade Roper, Tanner Tolbert, Emmy Tolbert

Instagram

Carly Waddell, Evan Bass

Sean Lowe, Catherine Giudici, Isaiah Lowe, Samuel Lowe

Instagram

Trista Sutter, Ryan Sutter

Instagram

Desiree Hartstock, Chris Siegfried

Instagram

Ashley Hebert, J.P. Rosenbaum

Instagram

Jason Mesnick, Molly Mesnick

Instagram

Congrats to all the Bachelor Nation parents! Who's next?

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