Beyonce, Jay-Z post baby pics online Photo of Jay-Z and his newborn daughter Blue Ivy posted on the Web site HelloBlueIvyCarter. NEW YORK, Feb. 10 (UPI) -- U.S. recording stars Jay-Z and Beyonce have posted photos of their 4-week-old daughter at HelloBlueIvyCarter.tumblr.com. We welcome you to share in our joy. Thank you for respecting our privacy during this beautiful time in our lives," said a handwritten message posted on the site and signed by the Carter family. Rapper Jay-Z was born Shawn Carter. He and Beyonce married in 2008. Daughter Blue Ivy, their first child, was born in New York Jan. 7.