Facebook CEO Mark Zuckerberg and his pregnant wife Priscilla Chan has done a photo shoot shot by famous photographer Annie Leibovitz. In the black & white intimate portrait, The couple looks just stunning and the baby bump becomes a talking point. Sharing the photograph on social media, Mark Zuckerberg comments: "This is a stunning photo of Priscilla. I love her expression: intense yet kind, fierce yet loving, leading yet always supporting others. Thank you to Annie Leibovitz for capturing her spirit so beautifully".Mark Zuckerberg tied the knot with Priscilla Chan in May 2012 after being in a relationship for 9 years. Unfortunately, Priscilla Chan had three miscarriages. In July this year, The couple announced that they were expecting a baby.