And her husband of four years Jay-Z (real name: Shawn Carter), 43, is in on the act as well. "Actually, he is very good," she explained of the rapper's diaper skills. "We both [change diapers]."
And little Blue has no clue that her mom is global superstar. "I'm mommy, and when [Blue] sees me, today was the first time she saw me perform in rehearsal, she was very confused," admitted Beyonce, who has given a handful of concerts and performances since giving birth in January.