Rosie's still not sure whether the costume she'd bought in a fit of pique weeks ago made her look ridiculous or devastating--though Sabrina's decidedly strong opinion on the matter had managed to tip the scales quite a bit--but she's not about to forgo wearing it tonight. And so, she's here as some kind of vampire queen; that gorgeous boned corset laced tight along her torso, the accompanying skirt a fountain of black satin, the ribbon choker looped against her neck and its single blood-bright jewel twinkling in the light. It's like nothing she's ever worn before, not even compared to that gorgeous dress she'd been put into years ago and a world away now for the Festivity, and despite her lingering awkwardness, Rosie's more than a little thrilled by that.

With the party kicked into high gear, Rosie's mingling: dancing with Nick, Charlie, or Sabrina in all manner of combinations; laughing and talking with friends along the edges of the dance floor; refueling at the refreshments table with a glass of punch or a plate of food. It's all a mad, lovely whirl, exactly the kind of evening she'd have wanted for someone as special as Sabrina, and one that she's so, so happy to have the chance to share with her.

Not even the quiet hiss of all those rumors, now set free from the halls of Petros for the night and the sole reason easily a third of the people in attendance are even here at all, can fully dampen her spirits. Enough so, that when Rosie spots someone out of the corner of her eye gawking openmouthed at her, all she does is turn to them with a cold little smile on her face. "You do know you look like a fish, right?" she says before turning away once more, that cold smile melting to something a bit broader and far more amused as she walks off.