Rosie O'Donnell Couldn't Get Into Diddy's Star Island New Year's Eve Bash

​Want to know what the biggest celebrity hotspot in Miami was on New Year's Eve? Sean "Diddy" Comb's Star Island mansion, of course. Everyone was there, including Rihanna, Vivica Fox, Nelly, Matt Kemp, Robin Thicke and Paula Patton. Everyone that is except for Rosie O'Donnell. She got turned away at the door.

Diddy had apparently personally invited his fellow Star Island mansion owner O'Donnell to his party, but according to Page Six O'Donnell decided to show up with a six-person entourage in tow. Apparently she wasn't quite dressed for the occasion either.

So, security refused to let O'Donnell and her pals in.

Diddy's reps tell Page Six that he was "completely unaware" about the situation and feels "terrible" about it.

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