Caleb Followill and Lily Aldridge have named their daughter Dixie Pearl
The model gave birth on 21.06.12 at 1am at Vanderbilt University & Medical Center in Nashville, and the tot weighed 7 lbs.11 oz.
A spokesperson for the pair told People magazine "Mom, Dad and baby are happy, healthy and enjoying their new addition."
The 30-year-old rocker married the Victoria`s Secret beauty at San Ysidro Ranch in Montecito, California in May 2011 after dating for more than two years and Caleb previously revealed he couldn`t wait for them to have kids.
He said: "I can`t wait to raise a family with her because she`s a great woman."
Lily - who walked down the aisle in a custom-made Vera Wang gown - previously revealed her wedding was perfect and says she wouldn`t have changed anything about the sunset ceremony.
She added: "It was really an amazing day. It was more beautiful than I could`ve imagined."
Guests at their small wedding ceremony included Caleb`s bandmates, his cousin Matthew Followill - who became a father for the first time last year - and brothers Nathan and Jared Followill.