Talk:My Little Pony Equestria Girls: Rainbow Rocks/@comment-27754788-20140716144111/@comment-24908786-20140717215912

I think she does since Human Pinkie did mention her in the first Equestria Girls movie, remember?

Human Pinkie: "Do you have a twin sister who lives in the city, has a pet dog named Spike that looks just like that one?"

If that is not a clue to a Human Twilight existing, nothing is.