The new parents took to Instagram to share photos of the newest addition to the family on Friday evening.
"8.6 lb blessing. #OceanPenaVega #WelcomeHomeLilO," the Spy Kids star captioned the photo.
Carlos also took some time to share a photo of his wife and baby boy saying, "The moment life changed forever. #welcomehomeLilO #12/7/16 #8pound6ounceblessing #GodisGreat."
The two married and combined their names back in 2014 and announced their pregnancy with a vlog on their YouTube channel.