Talk:My Little Pony Equestria Girls: Rainbow Rocks/@comment-1439415-20150129173405/@comment-1439415-20150202133957

Or, a better thought. What if at some point before or after pony Sunset left Equestria, her counterpart stumbled onto the portal, went through (or was pushed through by pony Sunset), and - freaked out and not completely sure how she got there - disappeared into Equestria and is now living on the streets there keeping to the shadows. Pony Twilight could bump into her in Canterlot, ask when she came through, get an "I don't know you" response, and things would come together after that.

"Dear Sunset Shimmer.  I was in Canterlot yesterday and saw someone who looked like you.  You didn't come through the portal recently, did you?"