Beyoncé and Jay-Z Welcome Daughter Blue Ivy 29430

Saturday brought a highly-anticipated arrival to the celebrity baby world--the superstar couple Beyoncé Knowles and Jay-Z welcomed their daughter at Lenox Hill Hospital on the Upper East Side of Manhattan.  The arrival was more than a month before the couple's previously revealed due date, reported. The baby and mother are both reportedly doing well.

Image: Beyoncé Knowles, via Helga Esteb /