Beyonce Knowles and Jay-Z have officially confirmed the birth of their daughter with a joint statement released on Beyonce's website.
"Hello Hello Baby Blue!
"We are happy to announce the arrival of our beautiful daughter, Blue Ivy Carter, born on Saturday, January 7, 2012.
"Her birth was emotional and extremely peaceful, we are in heaven.
"She was delivered naturally at a healthy 7 lbs and it was the best experience of both of our lives.
"We are thankful to everyone for all your prayers, well wishes, love and support."
Beyonce gave birth to the seven pound baby girl on Sunday night at New York's Lenox Hospital.
It is reported that the couple paid close to $1.7 million to rent out the entire fourth floor.
