The nineteenth-season Dancing with the Stars champion and his wife Angela welcomed their second son together on Thursday morning at Cedars-Sinai in Los Angeles, E! News reported.
"Momma and baby are doing great," Alfonso's representative told E! News. "The family thanks each of you for your warm wishes on this special day!!"
Alfonso and Angela named their child Anders Reyn. The newborn weighed in at 7.7 pounds and measured 19-inches long.
Anders is now a little brother to one-year-old Alfonso Jr., whom Alfonso had with Angela, as well as a 12-year-old daughter Sierra from his first marriage to Robin Stapler.
Alfonso announced his wife was expecting during an October broadcast of Dancing with the Stars' nineteenth season. The day the former Fresh Prince of Bel-Air shared such news was his son's first birthday. He thought giving Alfonso Jr. a sibling would be a "wonderful present."