At this point, Jay-Z is rich and famous enough that he doesn’t have to worry too much about whether or not people like him, but you’d think that he’d want to make a point of being on friendly terms with Robert De Niro. Not only is Bobby D. Jigga’s equal in terms of wealth and fame, he also played Travis Bickle, Vito Corleone, Jimmy Conway, Al Capone and Ace Rothstein. He’s scary.

Anyway, the two bumped into each other and Leonardo DiCaprio’s birthday party in New York earlier this week, and it sounds like De Niro unloaded on Shawn Carter for not returning his calls. Via New York Post:

“Bob wasn’t in any mood to make polite conversation,” the spy says. “He told Jay that if somebody calls you six times, you call them back. It doesn’t matter who you are, that is just rude.”

When Jay-Z tried to make a joke of it, saying he is terrible on the phone, a source says, “De Niro kept telling him that he thinks he’s the man, but that he was disrespectful.’ ”

“Beyoncé came over, but that didn’t calm Bob down,” the source said, adding that afterward, “It was the talk of the party. Everyone was saying there’s only one star in New York bigger and badder than Jay-Z, and that’s Robert De Niro. He can be quite scary when he’s angry.”

We realize Jay is a pretty tough dude in his own right, but you have to imagine that even he would panic just a little at the realization that the guy from Taxi Driver was upset with him.

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