U.S. actress Katie Stevens had a second child. "It was crazy nine months in which we kept it to ourselves, but we are so grateful for our little boy," wrote the 33-year-old on Instagram. She shared photos of her and her husband holding the baby in her arms. On one last picture, they sit four on a couch with their newborn and three-year-old daughter. Stevens shared the post with her husband Paul DiGiovanni. On Instagram, the couple received numer…