ENTERTAINMENT: Jay Z And Robert De Niro Fight In The Middle Of Celeb Party.

When you think of  fights between celebs you usually think about Chris Brown, Drake, Nicki Minaj and Lady Gaga. But Jay Z seems to be able to squabble as well, but not physically but verbally. According to reports, Jay Z and Robert De Niro got into quite a verbal altercation at Leonardo DiCaprio's birthday bash.

The altercation began when rap mogul, Jay Z decided to go up to De Niro's table to say hello, but De Niro instantly got enraged by his presence barking at him for not calling him back. Witnesses say the argument had something to do with a song Jay-Z said he would record for the Tribeca Film Festival, but failed to do so.

"Bob wasn’t in any mood to make polite conversation," a source 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." Jay-Z tried to joke that he's bad on the phone, but De Niro didn't back down and called him "disrespectful."

"It was the talk of the party," a source says. "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."

I hope the two celebs can settle their differences soon and get back to work.