The "Bachelor in Paradise" Season 3 couple announced daughter Isabelle Evelyn's birth in a statement Thursday to People after the infant was born at 1:58 p.m.
"It was a perfect birth, no problems at all," Bass said.
"Carly is recovering well and the baby has had her eyes open for hours. I cried a lot during the birth! We are smitten and can't stop kissing, cuddling and adoring her."
Waddell, 32, and Bass, 35, also confirmed the news on their respective Instagram accounts. The pair both shared a family photo with their baby girl.
"We are so happy to announce the birth of sweet Isabella Evelyn Bass," Waddell wrote.
"She weighs 6lbs 8 ounces and has currently stolen her dad's heart. The birth was amazing with no complications and I'm high over the moon with happiness."
"Y'all - she's perfect," Bass gushed. "Isabella Evelyn Bass. My heart is toast. Like toast with jelly cuz my dang heart is shook. I love her I love everyone I love love. Thanks for the encouraging words."
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Waddell and Bass announced Waddell's pregnancy in August after marrying in June. The couple celebrated with family and friends at an "enchanting" and whimsical" baby shower in January.
"Yesterday was the most enchanting celebration for Little Bella," Waddell said at the time. "We were surrounded by love and laughter from friends and family in a whimsical fairy land."
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