The "Counting On" stars shared a family photo with Grace and a second picture of their baby girl swaddled in a blanket.
"Welcome to our world Grace Annette (Gracie)!!! Gracie was born early Tuesday morning, she was 7 pounds 11 oz and 20 3/4 inches long. We are quite smitten by our new bundle of joy and are soaking in all of her little newborn snuggles!" the couple captioned the post.
Duggar's siblings Jill Duggar, Jessa Duggar, Josiah Duggar and Joseph Duggar were among those to congratulate the pair in the comments.
"So happy for y'all!!!! She is the cutest," Josiah Duggar and his wife, Lauren Duggar, wrote, adding a heart-eyes emoji.
"Yay!!! Congratulations on your sweet little blessing," Joseph Duggar and his wife, Kendra Duggar, said.
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Duggar and Abbie Duggar shared their excitement in a statement on the Duggar family website.
"Our lives have changed forever with the arrival of our baby girl. She is a beautiful gift from God! We are so blessed the Lord has given her to us. It's still surreal to know that we are really parents, but it's a great new adventure that we are excited to take on together!" the couple said.
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