Al Roker has some big changes coming his way, following the news that he is set to become a grandfather for the first time.His daughter, Courtney Roker Laga, is expecting her first child with husband Wesley Laga.Courteney announced the news on March 14th with an adorable Instagram post, and the following day, her dad couldn't help but gush about the news with his co-hosts on Today.WATCH: Al Roker reacts on Today to news he will be a grandfatherMORE: Al Roker looks so small in photos with his towering son"I've known for a while," he said, revealing that he actually discovered the pregnancy through Wesley's brother, accidentally. He explained: "Actually, Wes' goofy brother accidentally dropped it on a text.