*Beyoncé and Jay-Z just put out an official birth announcement following the arrival of their daughter Blue Ivy Carter over the weekend.

“Hello Hello Baby Blue!” began the statement released by the proud new parents’ reps.

“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. Beyoncé & Jay-Z.”

Earlier today, Jay-Z posted a musical birth announcement on his Life + Times website, a rap tribute to Blue featuring the lyrics, “You’re my child with the child from Destiny’s Child.”