The 28-year-old musician took to Twitter to announce the good news, reported Aceshowbiz.
"So, everyone... Mine and Kathryn's baby girl has been born! She doesn't have a name yet but weighs 6 lbs, 14 Ounces," the proud father tweeted.
"She was born on December 28... She's a total angel, and her face changes everyday... We are already so in love with her! We will post her name soon... I just wanted to let you all know before this year ends," he added in another post.