Sunset Shimmer, from My Little Pony: Friendship is Magic Equestria Girls (owned by Hasbro), transforming. If you're not familiar, I'd suggest watching it. You can find it on youtube, but it runs a little over an hour. Some people love it. Some people hate it. I thought it was cute, and I like the designs. Sunset Shimmer is my favorite. Big surprise. I always end up falling for the villains.
Feel free to use stamp.