Lucky Blue Smith and Stormi Bree have welcomed their first child — a baby girl named Gravity Blue Smith. The model broke the news on Instagram in a heartfelt post where he's holding his newborn daughter.

"She's here😍😍😍 meet Gravity Blue Smith, I've never felt so happy... I love you more than anything in this whole world little princess," Lucky wrote in the caption.

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Bree posted a similar photo on her own Instagram shortly after.

"Welcome to the world little angel, the most perfect beautiful gift I could have ever dreamed of 🖤little miss Gravity Blue Smith," she captioned the post of her, after delivery, in bed with Smith and their new baby.

Lucky, 18, and Bree, 26, first announced they were expecting a child in early March on Instagram.

He captioned a photo of himself embracing his partner and captioned it: "Hey guys I just wanted to let you in on an important part of my personal life. I have some wonderful and surprising news - Stormi and I are having a baby! It's crazy to see how my life has been so blessed. I'm so happy and can't wait to experience this amazing journey!"

Later that month, the model told BAZAAR.com he was "very excited" to be a dad.

Congratulations to the happy couple!

From: Harper's BAZAAR US