Lochte, 33, moved Caiden’s arms in the formation of well-known styles in swimming, saying, “Freestyle! Freestyle! Breaststroke… butterfly.”
“Have to start him early haha, and he’s loving it @tysport #czl #2036olympics #swimming #teamtyr,” the proud father wrote in the caption.
“Never seen a miracle happen before. Until this morning at 5:56 a.m. when Caiden Zane Lochte was born,” the Olympic swimmer wrote on Instagram.
“Can’t stop crying from tears of joy,” he continued. “Dream come true!”
The couple first went public with their romance in the summer of 2016, although things were then off-and-on between them.
He popped the question in early October, surprising Reid with a private helicopter tour of Los Angeles which lead to a sunset proposal near the Pacific Ocean.