"Why, thank you," she says, her breath catching for a moment as Sabrina pulls at the laces, the motion edged with that sweet possessiveness that comes so easily to her friend. Rosie's tried hard not to give up any secrets around what she and Nick have planned for Sabrina's birthday, but it's definitely been on her mind more and more the closer they get to the end of the party--and all of Sabrina's lazy fumbling and murmured praise is certainly not helping in the least.

Not that she minds at all.

"I wasn't sure about the corset at first, you know," she admits, her tone easy and conversational, even a little playful. "But someone whose opinion I trust had some very persuasive thoughts on the matter, the day I bought it." Rosie grins, her hand sliding down to find what she can of the swell of Sabrina's ass through the flouncy skirt of her costume. "It was a terribly convincing argument."