"When Gryffindor wins, everyone wins." That didn't make much sense, really, but Pete was far more pissed than he was fussed, so. He looked ruefully down at his costume and brushed futilely at the feathers tucked into his décolletage, or what passed for it, anyway.
But also, only slightly less importantly, "What are you wearing?" He glanced at Mikey, to see if Mikey had any idea, but Mikey seemed mostly to have feathers.