Twitter reveals it’s a Beyoncé baby girl

Celebrity friends took to the social networking site Twitter to congratulate Beyoncé Knowles and Jay-Z on the birth of their daughter, although the couple have issued no official confirmation of the baby’s arrival.

Hollywood actress Gwyneth Paltrow and her husband, Coldplay frontman Chris Martin. are close friends with the new parents and Paltrow tweeted to say the baby would be called Blue Ivy Carter.