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Jay-Z's baby is a chart record breaker, and she's less than a week old

Beyonce and Jay-Z's baby girl is making pop chart history after becoming the youngest act ever to be credited on a Billboard Hot 100 hit.

Little Blue Ivy Carter was just hours old when proud dad Jay-Z recorded her crying and added it to the end of his new tune Glory, which he released to the Internet on Monday (09Jan12) - and the song is already a hit.

It will debut at 74 on the new Billboard countdown when it's officially released on Thursday (12Jan12) - and that's a new record for the artist credited as B.I.C.

She trumps Stevie Wonder's newborn Aisha, who appeared on his Isn't She Lovely anthem - because the soul man never officially credited his baby as a collaborator on the record.