Equestria has a new alicorn!

While this raises many questions amongst the residents of Ponyville, this mysterious stranger seems to care less about the reactions of other ponies. Instead, she chooses to focus her attention on a certain yellow pegasus.

But where exactly did this alicorn come from? Why is she in Ponyville? And why can't she seem to remember her own name?

An entry for the 15th F*** This Prompt contest.