"Ponies" is a 2010 fantasy story by American writer Kij Johnson.
Barbara, like all little girls, has a magic talking pony with wings and a horn.
Sunny is enthusiastic about the party at first, although admits that she will miss flying and having a horn, as she is keeping her voice.
TheOtherGirls leave to continue playing party games, and TopGirl tells Barbara that she is unwelcome because she doesn't have a pony.
"[5] Chad Orzel described the story as "just dreadful", based on a central idea that was "preposterously contrived" and "a gigantic and unsubtle literalized metaphor", and with "essentially no plot.