EntertainmentBeyonce and Jay Z Welcome Baby Girl – Ivy Blue Carter Beyonce and Jay Z Welcome Baby Girl – Ivy Blue Carter Entertainment January 8, 2012 12 Comments beyonce, beyonce gave birth, beyonce's baby, hip-hop, jay z, jay z and beyonce Beyonce gave birth to a little girl, Ivy Blue Carter, yesterday night, Saturday January 7th 2012, at the Lenox Hill Hospital in New York by C-Section. Rihanna confirmed the birth of Ivy Blue in a tweet this morning. Congrats to B and Jay. Few Weeks Ago, I Couldn't Last Up to 43 minutes in Bed. Here's what helped me!