George knew that the safest thing would be to go to the Great Hall but it was just so very hard to resist watching the result of all their hard work. "Maybe we can fly away a bit and then casually walk back and pretend to not be the ones who did this." There was no real proof even though everybody should know that they were the pranksters.
[[OOC: *points down to Harry's reply* Wouldn't that be the place to have the twins enter again?