On the Dance Floor
Pinkie, naturally, was the first to the party. Even though she didn't get the whole hand thing, and the bit with two legs was super confusing, she was there. Ready. Armed with her party canon in case there weren't enough cupcakes and streamers.
"This is going to be awesome!" she exclaimed, voice shrill over the sweet strains of the music.
She eyed the door, her pink curls bouncing around her face. "Maybe I should stay by the door... to greet people..." Her eyes narrowed ever so slightly. Other ponies just didn't understand a basic, simple fact.