Jay-Z raps about birth of Blue Ivy, his daughter with Beyonce

NEW YORK (AP) -- - Through a rap verse, Jay-Z has confirmed the birth of "the most beautiful girl in the world" -- his newborn daughter.
The song "Glory" made its debut on his social website Monday -- two days after he and Beyonce reportedly gave birth to a daughter, Blue Ivy.
Reps for the superstars repeatedly declined requests for comment from The Associated Press about whether the birth had occurred, as first reported by E! News. But Jay-Z's sweet song gives fans the details, and more: "You're my child of a child from Destiny's Child."
Celebs close to the couple have tweeted congrats: Beyonce's sister, Solange Knowles, tweeted Sunday morning: "The most beautiful girl in the world," while Beyonce's close friend Gwyneth Paltrow also tweeted: "Welcome to the world Blue! We love you already."