Beyonce and Jay-Z leave hospital with daughter Blue Ivy Jay-Z and Beyonce watch the Men's Final on Day Fifteen of the 2011 U.S. Open at on Sept. 12, 2011, in Queens, N.Y. (CBS) Baby Blue has left the building. Jay-Z and Beyonce departed New York City's Lenox Hill Hospital Tuesday with their daughter, Blue Ivy Carter. Pictures: Beyonce Pictures: Celebrity babies Officials at the hospital confirmed the family's departure, according to the New York Daily News. The paper reports that a procession of vehicles with blacked-out windows exited the hospital's side gate at 1:30 a.m. Two black SUVs were also seen leaving the facility's loading dock, with one reportedly blocking traffic so another van could leave unimpeded. The couple welcomed the baby girl on Saturday. "Her birth was emotional and extremely peaceful, we are in heaven," they said in a statement. She was delivered naturally at a healthy 7 lbs and it was the best experience of both of our lives. No more than a few days old, Blue Ivy has already made an impact on her father's music - on Monday, he released a song entitled "Glory," that expressed his joy at being a father. A baby's cries can be heard at the end of the track.