Thomas Rhett and wife, Lauren Akins have announced the birth of their fourth child. Their daughter Lillie Carolina, was born on Monday, Nov. 15 in Nashville, she weighed in at 7 lbs., 5 oz.

Posting a photo of the 3 of them, he wrote: "Lauren, you are my hero. Watching a child being born is legit a miracle. 4 under 6, here we go!"

Baby Lillie joins big sisters Willa GrayAda James, and Lennon Love.