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Florida Georgia Line's Tyler Hubbard and wife Hayley welcomed their first child, daughter Olivia Rose, in Nashville, Tennessee, at 4:56 p.m. on Saturday, Dec. 23.
"We're so overwhelmed with joy and already more in love than we could have ever imagined with this little angel that God has given us," the proud new dad told PEOPLE following Olivia's arrival.
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"Olivia is the best Christmas gift we could have ever asked for," Tyler added of his baby girl, who weighed 7 lbs., 13 oz., and measured 19¼ inches long at birth.
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PROUD HUSBAND AND DADDY
"I think [childbirth is] something that God doesn't let men do for a reason — I don't know if we could get through it," Tyler, 30, tells PEOPLE with a laugh.
Adds the singer of his wife, "It's a beautiful thing, and Hayley was really strong and calm and relaxed. I couldn't have been more proud of her the whole time."
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GIRL'S BEST FRIEND
"He's such a good big brother," Tyler praises his golden retriver Harley, adding with a laugh. "He's so gentle with her and he just smells her. He's already protective of her."
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"It was a pretty wild rush of emotions and I think Hayley felt the same way," Tyler tells PEOPLE of the couple's first time seeing Olivia.
"Right when she was born, they put her on Hayley's chest and wiped her off a little bit and we spent a little time with her," he adds. "It was definitely a magical moment, and a moment that we'd been waiting for, for a long time."
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BUILT-IN BIG BRO
"I think with golden retrievers, it's almost like they're meant for that," Tyler explains of his loyal pal Harley's affection for Olivia. "He's already in love with her."
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"There's a lot that we're going to get to learn," Tyler told PEOPLE of parenthood after his rep confirmed Olivia's birth to PEOPLE exclusively.
"Hayley and I both really love learning and growing as people," Tyler added. "For us, it's the next phase and the next stage of life that God can really teach us a lot and show us patience … and selflessness."
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