Rihanna and Mariah Carey reportedly put on such diva attitudes at a Halloween bash that the latter threw over the weekend that their behavior towards each other inevitably made headlines. Rihanna, for one, didn’t want to move across the room to greet the host of the party, while Mariah herself was so upset over this she altogether refused to acknowledge her presence, PageSix says.

“Mariah Carey and Rihanna refused to talk or be photographed together at a Halloween bash. The dueling divas worked hard to upstage each other at Carey’s party at M2 Ultralounge. A source said Rihanna, dressed as a tiger with a tail so long a security guard had to hold it up, partied with three female friends and rapper Ne-Yo in a booth and wouldn’t cross the dance floor to pay her respects.” PageSix writes, citing sources on the scene.

Of course, this might as well have been a case of misunderstanding, but it seems neither of the two singers would even consider that. “Meanwhile Carey, in a corset and giant angel wings, stayed with hubby Nick Cannon in her VIP area. A spy said, ‘It was Mariah’s party, but Rihanna didn't want to be seen with her. And Mariah was not going over to greet Rihanna. Mariah needed six guards to clear a path to the bathroom so her wings wouldn’t be dislodged’.” the same e-zine further writes.

Mariah’s representative was quick to shoot down the rumor the moment it made its way into the press. Apparently, the fact that Carey and Rihanna were not photographed or, for that matter, seen together had nothing to do with a so-called “feud” or diva attitude, but rather with the fact that it was a huge party. There were over 1,000 guests there, the rep says, and Mariah couldn’t have possibly known that Rihanna was there too, otherwise she would have gone to talk to her.

In fact, the spokesperson insists, Carey would have surely gone to meet and talk to the “Umbrella” singer, since she’s a fan of her work and personally thinks she’s a sweet girl.