Jack, 25, announced the happy news on Twitter on Wednesday morning. "Baby's here! Thank the Lord, a boy Reuben. 8 pound 12, Masssssive! Was born yesterday night at 22.40. Lauren and Reuben are doing fine x."
Among the first to congratulate the brand new parents was Jack's Corrie co-star Catherine Tyldesley, who tweeted, "Congrats @JackPShepherd88 and @LaurenShippey. Awesomeness :-) LOVE the name! xx."
Jack and fiancée, Lauren are already proud parents to daughter Nyla, four. The childhood sweethearts have been a couple since they were 14, and live together in Manchester.
The actor announced that they were expecting their second baby back in May. "Me and @LaurenShippey are pleased to announce we are expecting a baby," he revealed on Twitter. "We are both very happy."