"We are humbled to have the opportunity to call ourselves the parents of this beautiful soul, and I am forever grateful to God for allowing me to know this kind of boundless, immaculate love," the proud papa continued. "Thanks to those of you who wish to send your positive energy and well wishes."
Gigandet -- who appeared as Kevin Volchok on Fox's "The O.C." and as Christina Aguilera's love interest in "Burlesque" -- has been engaged to Geisendorff since 2008. The couple are already parents to daughter Everleigh, 3.