Beyoncé's bundle of Blue Ivy

New parents: Beyoncé Knowles and husband rapper Jay-Z (Shawn Carter) (Getty Images)

She may weigh only a few pounds but Blue Ivy Carter, born this weekend to Beyoncé Knowles, is shaping up to seize Suri Cruise's crown as the most-followed celebrity child.

Friends of the singer and her rapper husband Jay-Z, real name Shawn Carter, took to Twitter to congratulate them. The baby was delivered by Caesarean section in New York City, reports said.