I've seen this pic before, and I'm fairly certain it's my ex. In fact, the more I see it, the more certain I become
If she was your indeed ex how can you not be 100% certain?
 but that's not to say it's them, because the pic quality is shitty and people can look incredibly similar.
 but that's not to say it's them, because the pic quality is shitty and people can look incredibly similar. 
	