Nas – Carmen – Jay-Z - “Me and the boy A.I. got more in Carmen than ballin’ and rhymin…” Jay rapped about Nas’ baby momma during an ugly Jay/Nas feud. It was definitely crossing the line but if it’s true, it’s true. Jay was chopping down Ms. Escobar behind Nas’ back. We know who won the rap battle, but Jigga won the personal war.