Oh, baby, he’s arrived. Late Friday night, Justin Bieber announced that his supermodel/skincare businesswoman wife, Hailey Bieber, has given birth to their first child, Jack Blues Bieber. The name might surprise those chronically online, because: 1. people were betting that their child would be named Plum Bieber from an Instagram username creation in December, 2. people thought they were having a girl. However, the Biebers decided to subvert expectations for both the gender...