Malky blinked in response and jumped to the floor waiting him to enter in the flat. She crossed the dark door and looked back at Jack waiting for him to follow her. When he did it, the lights turned on suddenly and two female voices claimed at the same time (even if elphaba's was a bit less enthusisastic):

-HAPPY BIRTHDAYYYYYY !!!-

(Sorry for making Jack enter to the house, but I needed him to do that. I hope you don't mind ^^')