Throwing the covers of her, Serena had already come to the conclusion that this was her room of sorts seeing as it had all her stuff in it.
"What? What are you on about?" She called through the door as she walked through her room as if in a dream. "Did you charm my room or something? Because I think I must have blacked out if we're having a prank day-"
She flung open the door to the rest of their flat, "Or...charm the entire flat? Mandy! What is going on? I'm throwing that dinner party tonight or have you forgotten? How long did this take you to do?"