Jay-Z reveals to Gayle King that Blue Ivy was originally going to be named Brooklyn:
“That was the name we had in theory, but when we got the sonogram, it was super small and we was calling her blueberry. Like, ‘Look at the little blueberry!’ It was a nickname. For nine months, we were like, ‘Look at the little blueberry,’ so it was natural. We just took the ‘berry’ off and called her Blue.”