Image: noel vasquez/getty Celebrity babies: blessed with wealth, adorned with love, cursed by ridiculous first names. On Thursday, John Legend and Chrissy Teigen welcomed their baby daughter to the world. Today, the couple finally announced the baby's birth to social media ? the only birth announcement that counts ? and finally revealed their daughter's full name: Luna Simone Stephens. "?She?s here! Very sleepy," Teigen wrote on Instagram. She purposefully chose the embryo because she wanted a girl.