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Baby boy Thomas South Moore was born Sunday, June 11, at 3:33 p.m. in Little Rock, Arkansas, measuring 20 inches long and weighing 7 lbs., 14 oz.
“Kate and I already felt like the most blessed people in the world with our three beautiful daughters, but we feel even more blessed to have a healthy baby boy now to add to our family,” Moore, 33, tells PEOPLE of the family’s newest member, sharing his son’s first photos exclusively. “God has given us another wonderful gift, in him, June 11th.”
The “Small Town USA” crooner shares the baby boy was named after Moore’s late grandfather, and that the family will call him South. “His sisters are already obsessed with him, as we are all of them,” he continues. “Thanks for all the well wishes and congratulations. Very much appreciated.”