The Rhett-Akins family just keeps growing and growing! After adopting an orphaned little girl, Willa Gray, from Uganda back in May, the family of three became four last night when country crooner Thomas Rhett’s wife, Lauren Akins, gave birth to another bouncing baby girl.

The singer shared the news with fans over on Instagram with a sweet shot of he and Akins doting over their brand new babe.

“Last night at 10:28 pm Ada James Akins was born and it was truly the most amazing thing I have ever experienced. I can’t believe we have two daughters!” he wrote.

He also paid homage to Akins, who underwent quite the birthing ordeal. “My wife @lauren_akins labored almost 36 hours,” he shared. “She is by far the strongest human being I have ever met and I have a newfound respect for moms around the world. We are so excited that Willa Gray has a baby sister! Thank you Lord and everyone for the prayers.”

Ada’s arrival was particularly sweet for the couple, who had tried unsuccessfully to have a baby of their own for months prior to adopting.

“We tried to get pregnant for a little bit before,” Akins revealed to People back in February. “It was a good chunk of time, and our family is extremely fertile, so I was expecting it to happen easily. I was like, ‘Maybe this is the Lord’s way of telling me adoption is what he wants me to do. And I was okay with that.”

Cut to December, and the activist began to get morning sickness. “It’s funny to me how we tried so hard and then we didn’t try at all and it happened!”

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Nine months later, we’re getting our first glimpse at the sweet seven-pound, three-ounce newborn, who Akins dolled up with a pretty pink bow.

“Thomas Rhett and I are so in love with her,” the mommy shared in a separate post. “And Willa Gray is so excited to finally have a baby sister. More pics to come, so get ready haha.”

Oh, we’re DEFINITELY ready, Lauren — bring on the adorableness!

What do you think of Ada’s name? Share with us @BritandCo.

(h/t E!; photos via Michael Loccisano + Rick Diamond/Getty)