"Okay, we'll put it as a 'maybe'. Uh...if you want to go a little more glittery and girly, the cupcake thing was big for a while."

By which Nadine means a sparkly layered tulle skirt and sequined top with a cupcake hat and tights. It's certainly not something she'd imagine Jo ever wearing, and that's sort of the point of a costume. And it is cute.

But she only has so many ideas, and is pretty much just thinking about things she's seen on TV and in movies. Otherwise her main context for reference is elementary school children.