Country star Dierks Bentley is celebrating after his wife Cassidy gave birth to their third child.

The Home hitmaker was thrilled after the arrival of his son Knox on Wednesday night (09Oct13) and immediately toasted the latest addition to his family with a cold beer.

Taking to to announce the news, he said, "well... our boy knox is here! about to have the best tasting cold beer of my life! so proud of my wife. she rocked it. crazy stuff. beer me.

"mad respect for doctors, nurses and everyone at hospitals. can't believe y'all do that day in and day out. hard work making miracles happen."

Bentley is already dad to two daughters, four-year-old Evie and Jordan, two.