"It's super fun being a mom, but it's not what you think it's going to be. And it's really gradual. At first, your life is totally the same. You have this cute little thing that you get to drive around everywhere and you're so proud and it's amazing," Gwen Stefani tells Vogue of life with she and husband Gavin Rossdale's two sons Kingston and Zuma. "And as they grow older, it really does start to change your life. Like, 'Oh, my God, they have school, they have to get through first grade, they have to learn to read.'"