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Original Description:
 
Another collage from the movie with a pony some may have taken for Sparkler. That is, either these are two separate ponies, both nameless, or this is one nameless earth pony, and it goes to show how non-canon what we see in “We Got This Together” really is (different cutie marks, different hairstyle for Linky etc.).
 
As usual, name suggestions please go in this thread and not in the comments.
 
Edit: She’s a unicorn in the intro as well.