Later, when she's thinking back on this, she'll wonder if he'd smile at her like that no matter how badly she was embarrassing herself. Not that she'd mind...

"'Usually' doesn't apply here." Even putting aside that she's unlikely to ever think he could do much of anything wrong, she's certain this costume was an A+ idea. The offer to dance has her grinning like a loon and she takes his hand before the words are out of her mouth. "Yes, please!"