Jennifer Lopez and Casper Smart haven't even officially announced that they are back together again, but it looks like the back-up dancer is claiming what he believes is rightfully his. There's a new report that says Casper went "ballistic" after a huge fight that the couple had all because he thinks the singer and actress humiliated him during a Hollywood party last month.

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According to Naughty Gossip on Friday, Casper was none too pleased when Jennifer supposedly got very flirtatious with her former boyfriend Diddy during a party at the Hollywood Bowl after the American Music Awards on November 22. And while Jennifer and Diddy are on friendly terms with each other, Casper couldn't help but get jealous with what he saw.

A source told the site, "The second they got home, Casper started screaming at Jennifer for humiliating him by being flirty and all over Diddy in public. He even accused her of still being obsessed with [Diddy] after all these years."

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But for Casper, this might be much ado about nothing, as Diddy was at the party to promote his brand of Vodka, Ciroc, and not just to see his ex-girlfriend.

The insider added, "These two will always be very special to each other. Had they got together at a different time and the shooting had not happened, these two would have been married with kids."

The tipster further explained, "They really do love each other, but they just couldn't work it out. How they have both gone in different directions but that does not mean that one they might not end up together. That is how this story is meant to end."

So far, neither Jennifer nor Casper have made any comments about the report.